209219310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 585552240

約数和(自身を除く): 376332930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 41, 45, 59, 62, 82, 90, 93, 118, 123, 155, 177, 186, 205, 246, 279, 295, 310, 354, 369, 410, 465, 531, 558, 590, 615, 738, 885, 930, 961, 1062, 1230, 1271, 1395, 1770, 1829, 1845, 1922, 2419, 2542, 2655, 2790, 2883, 3658, 3690, 3813, 4805, 4838, 5310, 5487, 5766, 6355, 7257, 7626, 8649, 9145, 9610, 10974, 11439, 12095, 12710, 14415, 14514, 16461, 17298, 18290, 19065, 21771, 22878, 24190, 27435, 28830, 32922, 36285, 38130, 39401, 43245, 43542, 54870, 56699, 57195, 72570, 74989, 78802, 82305, 86490, 108855, 113398, 114390, 118203, 149978, 164610, 170097, 197005, 217710, 224967, 236406, 283495, 340194, 354609, 374945, 394010, 449934, 510291, 566990, 591015, 674901, 709218, 749890, 850485, 1020582, 1124835, 1182030, 1349802, 1700970, 1773045, 2249670, 2324659, 2551455, 3374505, 3546090, 4649318, 5102910, 6749010, 6973977, 11623295, 13947954, 20921931, 23246590, 34869885, 41843862, 69739770, 104609655, 209219310]

約数ペア:

[(1, 209219310), (2, 104609655), (3, 69739770), (5, 41843862), (6, 34869885), (9, 23246590), (10, 20921931), (15, 13947954), (18, 11623295), (30, 6973977), (31, 6749010), (41, 5102910), (45, 4649318), (59, 3546090), (62, 3374505), (82, 2551455), (90, 2324659), (93, 2249670), (118, 1773045), (123, 1700970), (155, 1349802), (177, 1182030), (186, 1124835), (205, 1020582), (246, 850485), (279, 749890), (295, 709218), (310, 674901), (354, 591015), (369, 566990), (410, 510291), (465, 449934), (531, 394010), (558, 374945), (590, 354609), (615, 340194), (738, 283495), (885, 236406), (930, 224967), (961, 217710), (1062, 197005), (1230, 170097), (1271, 164610), (1395, 149978), (1770, 118203), (1829, 114390), (1845, 113398), (1922, 108855), (2419, 86490), (2542, 82305), (2655, 78802), (2790, 74989), (2883, 72570), (3658, 57195), (3690, 56699), (3813, 54870), (4805, 43542), (4838, 43245), (5310, 39401), (5487, 38130), (5766, 36285), (6355, 32922), (7257, 28830), (7626, 27435), (8649, 24190), (9145, 22878), (9610, 21771), (10974, 19065), (11439, 18290), (12095, 17298), (12710, 16461), (14415, 14514)]