189819420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1597}}^1$

素因数の和:1899

約数の個数: 96

約数和(自身を含む): 609950208

約数和(自身を除く): 420130788

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, 283, 420, 566, 849, 1132, 1415, 1597, 1698, 1981, 2830, 3194, 3396, 3962, 4245, 4791, 5660, 5943, 6388, 7924, 7985, 8490, 9582, 9905, 11179, 11886, 15970, 16980, 19164, 19810, 22358, 23772, 23955, 29715, 31940, 33537, 39620, 44716, 47910, 55895, 59430, 67074, 95820, 111790, 118860, 134148, 167685, 223580, 335370, 451951, 670740, 903902, 1355853, 1807804, 2259755, 2711706, 3163657, 4519510, 5423412, 6327314, 6779265, 9039020, 9490971, 12654628, 13558530, 15818285, 18981942, 27117060, 31636570, 37963884, 47454855, 63273140, 94909710, 189819420]

約数ペア:

[(1, 189819420), (2, 94909710), (3, 63273140), (4, 47454855), (5, 37963884), (6, 31636570), (7, 27117060), (10, 18981942), (12, 15818285), (14, 13558530), (15, 12654628), (20, 9490971), (21, 9039020), (28, 6779265), (30, 6327314), (35, 5423412), (42, 4519510), (60, 3163657), (70, 2711706), (84, 2259755), (105, 1807804), (140, 1355853), (210, 903902), (283, 670740), (420, 451951), (566, 335370), (849, 223580), (1132, 167685), (1415, 134148), (1597, 118860), (1698, 111790), (1981, 95820), (2830, 67074), (3194, 59430), (3396, 55895), (3962, 47910), (4245, 44716), (4791, 39620), (5660, 33537), (5943, 31940), (6388, 29715), (7924, 23955), (7985, 23772), (8490, 22358), (9582, 19810), (9905, 19164), (11179, 16980), (11886, 15970)]