408940340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{4243}}^1$

素因数の和:4392

約数の個数: 48

約数和(自身を含む): 884110080

約数和(自身を除く): 475169740

約数列:

[1, 2, 4, 5, 10, 20, 61, 79, 122, 158, 244, 305, 316, 395, 610, 790, 1220, 1580, 4243, 4819, 8486, 9638, 16972, 19276, 21215, 24095, 42430, 48190, 84860, 96380, 258823, 335197, 517646, 670394, 1035292, 1294115, 1340788, 1675985, 2588230, 3351970, 5176460, 6703940, 20447017, 40894034, 81788068, 102235085, 204470170, 408940340]

約数ペア:

[(1, 408940340), (2, 204470170), (4, 102235085), (5, 81788068), (10, 40894034), (20, 20447017), (61, 6703940), (79, 5176460), (122, 3351970), (158, 2588230), (244, 1675985), (305, 1340788), (316, 1294115), (395, 1035292), (610, 670394), (790, 517646), (1220, 335197), (1580, 258823), (4243, 96380), (4819, 84860), (8486, 48190), (9638, 42430), (16972, 24095), (19276, 21215)]