339937640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{16631}}^1$

素因数の和:16722

約数の個数: 64

約数和(自身を含む): 886152960

約数和(自身を除く): 546215320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10220, 16631, 20440, 33262, 66524, 83155, 116417, 133048, 166310, 232834, 332620, 465668, 582085, 665240, 931336, 1164170, 1214063, 2328340, 2428126, 4656680, 4856252, 6070315, 8498441, 9712504, 12140630, 16996882, 24281260, 33993764, 42492205, 48562520, 67987528, 84984410, 169968820, 339937640]

約数ペア:

[(1, 339937640), (2, 169968820), (4, 84984410), (5, 67987528), (7, 48562520), (8, 42492205), (10, 33993764), (14, 24281260), (20, 16996882), (28, 12140630), (35, 9712504), (40, 8498441), (56, 6070315), (70, 4856252), (73, 4656680), (140, 2428126), (146, 2328340), (280, 1214063), (292, 1164170), (365, 931336), (511, 665240), (584, 582085), (730, 465668), (1022, 332620), (1460, 232834), (2044, 166310), (2555, 133048), (2920, 116417), (4088, 83155), (5110, 66524), (10220, 33262), (16631, 20440)]