155890410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{399719}}^1$

素因数の和:399742

約数の個数: 32

約数和(自身を含む): 402917760

約数和(自身を除く): 247027350

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 399719, 799438, 1199157, 1998595, 2398314, 3997190, 5196347, 5995785, 10392694, 11991570, 15589041, 25981735, 31178082, 51963470, 77945205, 155890410]

約数ペア:

[(1, 155890410), (2, 77945205), (3, 51963470), (5, 31178082), (6, 25981735), (10, 15589041), (13, 11991570), (15, 10392694), (26, 5995785), (30, 5196347), (39, 3997190), (65, 2398314), (78, 1998595), (130, 1199157), (195, 799438), (390, 399719)]