28359940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1213}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 68527872

約数和(自身を除く): 40167932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1213, 1670, 2338, 2426, 3340, 4676, 4852, 5845, 6065, 8491, 11690, 12130, 16982, 23380, 24260, 33964, 42455, 84910, 169820, 202571, 405142, 810284, 1012855, 1417997, 2025710, 2835994, 4051420, 5671988, 7089985, 14179970, 28359940]

約数ペア:

[(1, 28359940), (2, 14179970), (4, 7089985), (5, 5671988), (7, 4051420), (10, 2835994), (14, 2025710), (20, 1417997), (28, 1012855), (35, 810284), (70, 405142), (140, 202571), (167, 169820), (334, 84910), (668, 42455), (835, 33964), (1169, 24260), (1213, 23380), (1670, 16982), (2338, 12130), (2426, 11690), (3340, 8491), (4676, 6065), (4852, 5845)]