89945940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{647}}^1$

素因数の和:997

約数の個数: 96

約数和(自身を含む): 289142784

約数和(自身を除く): 199196844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 331, 420, 647, 662, 993, 1294, 1324, 1655, 1941, 1986, 2317, 2588, 3235, 3310, 3882, 3972, 4529, 4634, 4965, 6470, 6620, 6951, 7764, 9058, 9268, 9705, 9930, 11585, 12940, 13587, 13902, 18116, 19410, 19860, 22645, 23170, 27174, 27804, 34755, 38820, 45290, 46340, 54348, 67935, 69510, 90580, 135870, 139020, 214157, 271740, 428314, 642471, 856628, 1070785, 1284942, 1499099, 2141570, 2569884, 2998198, 3212355, 4283140, 4497297, 5996396, 6424710, 7495495, 8994594, 12849420, 14990990, 17989188, 22486485, 29981980, 44972970, 89945940]

約数ペア:

[(1, 89945940), (2, 44972970), (3, 29981980), (4, 22486485), (5, 17989188), (6, 14990990), (7, 12849420), (10, 8994594), (12, 7495495), (14, 6424710), (15, 5996396), (20, 4497297), (21, 4283140), (28, 3212355), (30, 2998198), (35, 2569884), (42, 2141570), (60, 1499099), (70, 1284942), (84, 1070785), (105, 856628), (140, 642471), (210, 428314), (331, 271740), (420, 214157), (647, 139020), (662, 135870), (993, 90580), (1294, 69510), (1324, 67935), (1655, 54348), (1941, 46340), (1986, 45290), (2317, 38820), (2588, 34755), (3235, 27804), (3310, 27174), (3882, 23170), (3972, 22645), (4529, 19860), (4634, 19410), (4965, 18116), (6470, 13902), (6620, 13587), (6951, 12940), (7764, 11585), (9058, 9930), (9268, 9705)]