31887700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1337

約数の個数: 72

約数和(自身を含む): 78501920

約数和(自身を除く): 46614220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1291, 1300, 1900, 2470, 2582, 4940, 5164, 6175, 6455, 12350, 12910, 16783, 24529, 24700, 25820, 32275, 33566, 49058, 64550, 67132, 83915, 98116, 122645, 129100, 167830, 245290, 318877, 335660, 419575, 490580, 613225, 637754, 839150, 1226450, 1275508, 1594385, 1678300, 2452900, 3188770, 6377540, 7971925, 15943850, 31887700]

約数ペア:

[(1, 31887700), (2, 15943850), (4, 7971925), (5, 6377540), (10, 3188770), (13, 2452900), (19, 1678300), (20, 1594385), (25, 1275508), (26, 1226450), (38, 839150), (50, 637754), (52, 613225), (65, 490580), (76, 419575), (95, 335660), (100, 318877), (130, 245290), (190, 167830), (247, 129100), (260, 122645), (325, 98116), (380, 83915), (475, 67132), (494, 64550), (650, 49058), (950, 33566), (988, 32275), (1235, 25820), (1291, 24700), (1300, 24529), (1900, 16783), (2470, 12910), (2582, 12350), (4940, 6455), (5164, 6175)]