403733380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{2221}}^1$

素因数の和:2440

約数の個数: 48

約数和(自身を含む): 867913200

約数和(自身を除く): 464179820

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 149, 244, 298, 305, 596, 610, 745, 1220, 1490, 2221, 2980, 4442, 8884, 9089, 11105, 18178, 22210, 36356, 44420, 45445, 90890, 135481, 181780, 270962, 330929, 541924, 661858, 677405, 1323716, 1354810, 1654645, 2709620, 3309290, 6618580, 20186669, 40373338, 80746676, 100933345, 201866690, 403733380]

約数ペア:

[(1, 403733380), (2, 201866690), (4, 100933345), (5, 80746676), (10, 40373338), (20, 20186669), (61, 6618580), (122, 3309290), (149, 2709620), (244, 1654645), (298, 1354810), (305, 1323716), (596, 677405), (610, 661858), (745, 541924), (1220, 330929), (1490, 270962), (2221, 181780), (2980, 135481), (4442, 90890), (8884, 45445), (9089, 44420), (11105, 36356), (18178, 22210)]