4073980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 9192960

約数和(自身を除く): 5118980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 151, 190, 284, 302, 355, 380, 604, 710, 755, 1349, 1420, 1510, 2698, 2869, 3020, 5396, 5738, 6745, 10721, 11476, 13490, 14345, 21442, 26980, 28690, 42884, 53605, 57380, 107210, 203699, 214420, 407398, 814796, 1018495, 2036990, 4073980]

約数ペア:

[(1, 4073980), (2, 2036990), (4, 1018495), (5, 814796), (10, 407398), (19, 214420), (20, 203699), (38, 107210), (71, 57380), (76, 53605), (95, 42884), (142, 28690), (151, 26980), (190, 21442), (284, 14345), (302, 13490), (355, 11476), (380, 10721), (604, 6745), (710, 5738), (755, 5396), (1349, 3020), (1420, 2869), (1510, 2698)]