311366950

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:853

約数の個数: 48

約数和(自身を含む): 592462080

約数和(自身を除く): 281095130

約数列:

[1, 2, 5, 10, 25, 50, 71, 139, 142, 278, 355, 631, 695, 710, 1262, 1390, 1775, 3155, 3475, 3550, 6310, 6950, 9869, 15775, 19738, 31550, 44801, 49345, 87709, 89602, 98690, 175418, 224005, 246725, 438545, 448010, 493450, 877090, 1120025, 2192725, 2240050, 4385450, 6227339, 12454678, 31136695, 62273390, 155683475, 311366950]

約数ペア:

[(1, 311366950), (2, 155683475), (5, 62273390), (10, 31136695), (25, 12454678), (50, 6227339), (71, 4385450), (139, 2240050), (142, 2192725), (278, 1120025), (355, 877090), (631, 493450), (695, 448010), (710, 438545), (1262, 246725), (1390, 224005), (1775, 175418), (3155, 98690), (3475, 89602), (3550, 87709), (6310, 49345), (6950, 44801), (9869, 31550), (15775, 19738)]