5491140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 15603840

約数和(自身を除く): 10112700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1289, 1420, 2130, 2578, 3867, 4260, 5156, 6445, 7734, 12890, 15468, 19335, 25780, 38670, 77340, 91519, 183038, 274557, 366076, 457595, 549114, 915190, 1098228, 1372785, 1830380, 2745570, 5491140]

約数ペア:

[(1, 5491140), (2, 2745570), (3, 1830380), (4, 1372785), (5, 1098228), (6, 915190), (10, 549114), (12, 457595), (15, 366076), (20, 274557), (30, 183038), (60, 91519), (71, 77340), (142, 38670), (213, 25780), (284, 19335), (355, 15468), (426, 12890), (710, 7734), (852, 6445), (1065, 5156), (1289, 4260), (1420, 3867), (2130, 2578)]