187499970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 288

約数和(自身を含む): 625178736

約数和(自身を除く): 437678766

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 41, 42, 45, 49, 51, 61, 63, 70, 82, 85, 90, 98, 102, 105, 119, 122, 123, 126, 147, 153, 170, 183, 205, 210, 238, 245, 246, 255, 287, 294, 305, 306, 315, 357, 366, 369, 410, 427, 441, 490, 510, 549, 574, 595, 610, 615, 630, 697, 714, 735, 738, 765, 833, 854, 861, 882, 915, 1037, 1071, 1098, 1190, 1230, 1281, 1394, 1435, 1470, 1530, 1666, 1722, 1785, 1830, 1845, 2009, 2074, 2091, 2135, 2142, 2205, 2499, 2501, 2562, 2583, 2745, 2870, 2989, 3111, 3485, 3570, 3690, 3843, 4018, 4165, 4182, 4270, 4305, 4410, 4879, 4998, 5002, 5166, 5185, 5355, 5490, 5978, 6027, 6222, 6273, 6405, 6970, 7259, 7497, 7503, 7686, 8330, 8610, 8967, 9333, 9758, 10045, 10370, 10455, 10710, 12054, 12495, 12505, 12546, 12810, 12915, 14518, 14637, 14945, 14994, 15006, 15555, 17507, 17934, 18081, 18666, 19215, 20090, 20910, 21777, 22509, 24395, 24990, 25010, 25830, 26901, 29274, 29890, 30135, 31110, 31365, 34153, 35014, 36162, 36295, 37485, 37515, 38430, 42517, 43554, 43911, 44835, 45018, 46665, 48790, 50813, 52521, 53802, 60270, 62730, 65331, 68306, 72590, 73185, 74970, 75030, 85034, 87535, 87822, 89670, 90405, 93330, 101626, 102459, 105042, 108885, 112545, 122549, 127551, 130662, 134505, 146370, 152439, 157563, 170765, 175070, 180810, 204918, 212585, 217770, 219555, 225090, 245098, 254065, 255102, 262605, 269010, 297619, 304878, 307377, 315126, 326655, 341530, 367647, 382653, 425170, 439110, 457317, 508130, 512295, 525210, 595238, 612745, 614754, 637755, 653310, 735294, 762195, 765306, 787815, 892857, 914634, 1024590, 1102941, 1225490, 1275510, 1488095, 1524390, 1536885, 1575630, 1785714, 1838235, 1913265, 2083333, 2205882, 2286585, 2678571, 2976190, 3073770, 3676470, 3826530, 4166666, 4464285, 4573170, 5357142, 5514705, 6249999, 8928570, 10416665, 11029410, 12499998, 13392855, 18749997, 20833330, 26785710, 31249995, 37499994, 62499990, 93749985, 187499970]

約数ペア:

[(1, 187499970), (2, 93749985), (3, 62499990), (5, 37499994), (6, 31249995), (7, 26785710), (9, 20833330), (10, 18749997), (14, 13392855), (15, 12499998), (17, 11029410), (18, 10416665), (21, 8928570), (30, 6249999), (34, 5514705), (35, 5357142), (41, 4573170), (42, 4464285), (45, 4166666), (49, 3826530), (51, 3676470), (61, 3073770), (63, 2976190), (70, 2678571), (82, 2286585), (85, 2205882), (90, 2083333), (98, 1913265), (102, 1838235), (105, 1785714), (119, 1575630), (122, 1536885), (123, 1524390), (126, 1488095), (147, 1275510), (153, 1225490), (170, 1102941), (183, 1024590), (205, 914634), (210, 892857), (238, 787815), (245, 765306), (246, 762195), (255, 735294), (287, 653310), (294, 637755), (305, 614754), (306, 612745), (315, 595238), (357, 525210), (366, 512295), (369, 508130), (410, 457317), (427, 439110), (441, 425170), (490, 382653), (510, 367647), (549, 341530), (574, 326655), (595, 315126), (610, 307377), (615, 304878), (630, 297619), (697, 269010), (714, 262605), (735, 255102), (738, 254065), (765, 245098), (833, 225090), (854, 219555), (861, 217770), (882, 212585), (915, 204918), (1037, 180810), (1071, 175070), (1098, 170765), (1190, 157563), (1230, 152439), (1281, 146370), (1394, 134505), (1435, 130662), (1470, 127551), (1530, 122549), (1666, 112545), (1722, 108885), (1785, 105042), (1830, 102459), (1845, 101626), (2009, 93330), (2074, 90405), (2091, 89670), (2135, 87822), (2142, 87535), (2205, 85034), (2499, 75030), (2501, 74970), (2562, 73185), (2583, 72590), (2745, 68306), (2870, 65331), (2989, 62730), (3111, 60270), (3485, 53802), (3570, 52521), (3690, 50813), (3843, 48790), (4018, 46665), (4165, 45018), (4182, 44835), (4270, 43911), (4305, 43554), (4410, 42517), (4879, 38430), (4998, 37515), (5002, 37485), (5166, 36295), (5185, 36162), (5355, 35014), (5490, 34153), (5978, 31365), (6027, 31110), (6222, 30135), (6273, 29890), (6405, 29274), (6970, 26901), (7259, 25830), (7497, 25010), (7503, 24990), (7686, 24395), (8330, 22509), (8610, 21777), (8967, 20910), (9333, 20090), (9758, 19215), (10045, 18666), (10370, 18081), (10455, 17934), (10710, 17507), (12054, 15555), (12495, 15006), (12505, 14994), (12546, 14945), (12810, 14637), (12915, 14518)]