490699180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1\times {\mathrm{1451}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 1061365536

約数和(自身を除く): 570666356

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 457, 740, 914, 1451, 1828, 2285, 2902, 4570, 5804, 7255, 9140, 14510, 16909, 29020, 33818, 53687, 67636, 84545, 107374, 169090, 214748, 268435, 338180, 536870, 663107, 1073740, 1326214, 2652428, 3315535, 6631070, 13262140, 24534959, 49069918, 98139836, 122674795, 245349590, 490699180]

約数ペア:

[(1, 490699180), (2, 245349590), (4, 122674795), (5, 98139836), (10, 49069918), (20, 24534959), (37, 13262140), (74, 6631070), (148, 3315535), (185, 2652428), (370, 1326214), (457, 1073740), (740, 663107), (914, 536870), (1451, 338180), (1828, 268435), (2285, 214748), (2902, 169090), (4570, 107374), (5804, 84545), (7255, 67636), (9140, 53687), (14510, 33818), (16909, 29020)]