4999660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 11289600

約数和(自身を除く): 6289940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 223, 236, 295, 380, 446, 590, 892, 1115, 1121, 1180, 2230, 2242, 4237, 4460, 4484, 5605, 8474, 11210, 13157, 16948, 21185, 22420, 26314, 42370, 52628, 65785, 84740, 131570, 249983, 263140, 499966, 999932, 1249915, 2499830, 4999660]

約数ペア:

[(1, 4999660), (2, 2499830), (4, 1249915), (5, 999932), (10, 499966), (19, 263140), (20, 249983), (38, 131570), (59, 84740), (76, 65785), (95, 52628), (118, 42370), (190, 26314), (223, 22420), (236, 21185), (295, 16948), (380, 13157), (446, 11210), (590, 8474), (892, 5605), (1115, 4484), (1121, 4460), (1180, 4237), (2230, 2242)]