402495250

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{821}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 789396192

約数和(自身を除く): 386900942

約数列:

[1, 2, 5, 10, 25, 37, 50, 53, 74, 106, 125, 185, 250, 265, 370, 530, 821, 925, 1325, 1642, 1850, 1961, 2650, 3922, 4105, 4625, 6625, 8210, 9250, 9805, 13250, 19610, 20525, 30377, 41050, 43513, 49025, 60754, 87026, 98050, 102625, 151885, 205250, 217565, 245125, 303770, 435130, 490250, 759425, 1087825, 1518850, 1609981, 2175650, 3219962, 3797125, 5439125, 7594250, 8049905, 10878250, 16099810, 40249525, 80499050, 201247625, 402495250]

約数ペア:

[(1, 402495250), (2, 201247625), (5, 80499050), (10, 40249525), (25, 16099810), (37, 10878250), (50, 8049905), (53, 7594250), (74, 5439125), (106, 3797125), (125, 3219962), (185, 2175650), (250, 1609981), (265, 1518850), (370, 1087825), (530, 759425), (821, 490250), (925, 435130), (1325, 303770), (1642, 245125), (1850, 217565), (1961, 205250), (2650, 151885), (3922, 102625), (4105, 98050), (4625, 87026), (6625, 60754), (8210, 49025), (9250, 43513), (9805, 41050), (13250, 30377), (19610, 20525)]