278914740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{357583}}^1$

素因数の和:357608

約数の個数: 48

約数和(自身を含む): 841037568

約数和(自身を除く): 562122828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 357583, 715166, 1072749, 1430332, 1787915, 2145498, 3575830, 4290996, 4648579, 5363745, 7151660, 9297158, 10727490, 13945737, 18594316, 21454980, 23242895, 27891474, 46485790, 55782948, 69728685, 92971580, 139457370, 278914740]

約数ペア:

[(1, 278914740), (2, 139457370), (3, 92971580), (4, 69728685), (5, 55782948), (6, 46485790), (10, 27891474), (12, 23242895), (13, 21454980), (15, 18594316), (20, 13945737), (26, 10727490), (30, 9297158), (39, 7151660), (52, 5363745), (60, 4648579), (65, 4290996), (78, 3575830), (130, 2145498), (156, 1787915), (195, 1430332), (260, 1072749), (390, 715166), (780, 357583)]