74999988

素因数分解:

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

素因数の和:143

約数の個数: 216

約数和(自身を含む): 243125064

約数和(自身を除く): 168125076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 41, 42, 49, 51, 61, 63, 68, 82, 84, 98, 102, 119, 122, 123, 126, 147, 153, 164, 183, 196, 204, 238, 244, 246, 252, 287, 294, 306, 357, 366, 369, 427, 441, 476, 492, 549, 574, 588, 612, 697, 714, 732, 738, 833, 854, 861, 882, 1037, 1071, 1098, 1148, 1281, 1394, 1428, 1476, 1666, 1708, 1722, 1764, 2009, 2074, 2091, 2142, 2196, 2499, 2501, 2562, 2583, 2788, 2989, 3111, 3332, 3444, 3843, 4018, 4148, 4182, 4284, 4879, 4998, 5002, 5124, 5166, 5978, 6027, 6222, 6273, 7259, 7497, 7503, 7686, 8036, 8364, 8967, 9333, 9758, 9996, 10004, 10332, 11956, 12054, 12444, 12546, 14518, 14637, 14994, 15006, 15372, 17507, 17934, 18081, 18666, 19516, 21777, 22509, 24108, 25092, 26901, 29036, 29274, 29988, 30012, 34153, 35014, 35868, 36162, 37332, 42517, 43554, 43911, 45018, 50813, 52521, 53802, 58548, 65331, 68306, 70028, 72324, 85034, 87108, 87822, 90036, 101626, 102459, 105042, 107604, 122549, 127551, 130662, 136612, 152439, 157563, 170068, 175644, 203252, 204918, 210084, 245098, 255102, 261324, 297619, 304878, 307377, 315126, 367647, 382653, 409836, 457317, 490196, 510204, 595238, 609756, 614754, 630252, 735294, 765306, 892857, 914634, 1102941, 1190476, 1229508, 1470588, 1530612, 1785714, 1829268, 2083333, 2205882, 2678571, 3571428, 4166666, 4411764, 5357142, 6249999, 8333332, 10714284, 12499998, 18749997, 24999996, 37499994, 74999988]

約数ペア:

[(1, 74999988), (2, 37499994), (3, 24999996), (4, 18749997), (6, 12499998), (7, 10714284), (9, 8333332), (12, 6249999), (14, 5357142), (17, 4411764), (18, 4166666), (21, 3571428), (28, 2678571), (34, 2205882), (36, 2083333), (41, 1829268), (42, 1785714), (49, 1530612), (51, 1470588), (61, 1229508), (63, 1190476), (68, 1102941), (82, 914634), (84, 892857), (98, 765306), (102, 735294), (119, 630252), (122, 614754), (123, 609756), (126, 595238), (147, 510204), (153, 490196), (164, 457317), (183, 409836), (196, 382653), (204, 367647), (238, 315126), (244, 307377), (246, 304878), (252, 297619), (287, 261324), (294, 255102), (306, 245098), (357, 210084), (366, 204918), (369, 203252), (427, 175644), (441, 170068), (476, 157563), (492, 152439), (549, 136612), (574, 130662), (588, 127551), (612, 122549), (697, 107604), (714, 105042), (732, 102459), (738, 101626), (833, 90036), (854, 87822), (861, 87108), (882, 85034), (1037, 72324), (1071, 70028), (1098, 68306), (1148, 65331), (1281, 58548), (1394, 53802), (1428, 52521), (1476, 50813), (1666, 45018), (1708, 43911), (1722, 43554), (1764, 42517), (2009, 37332), (2074, 36162), (2091, 35868), (2142, 35014), (2196, 34153), (2499, 30012), (2501, 29988), (2562, 29274), (2583, 29036), (2788, 26901), (2989, 25092), (3111, 24108), (3332, 22509), (3444, 21777), (3843, 19516), (4018, 18666), (4148, 18081), (4182, 17934), (4284, 17507), (4879, 15372), (4998, 15006), (5002, 14994), (5124, 14637), (5166, 14518), (5978, 12546), (6027, 12444), (6222, 12054), (6273, 11956), (7259, 10332), (7497, 10004), (7503, 9996), (7686, 9758), (8036, 9333), (8364, 8967)]