70909540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1223}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 161215488

約数和(自身を除く): 90305948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 892, 1115, 1223, 2230, 2446, 2899, 4460, 4892, 5798, 6115, 11596, 12230, 14495, 15899, 24460, 28990, 31798, 57980, 63596, 79495, 158990, 272729, 317980, 545458, 1090916, 1363645, 2727290, 3545477, 5454580, 7090954, 14181908, 17727385, 35454770, 70909540]

約数ペア:

[(1, 70909540), (2, 35454770), (4, 17727385), (5, 14181908), (10, 7090954), (13, 5454580), (20, 3545477), (26, 2727290), (52, 1363645), (65, 1090916), (130, 545458), (223, 317980), (260, 272729), (446, 158990), (892, 79495), (1115, 63596), (1223, 57980), (2230, 31798), (2446, 28990), (2899, 24460), (4460, 15899), (4892, 14495), (5798, 12230), (6115, 11596)]