220179988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{7583}}^1$

素因数の和:7672

約数の個数: 48

約数和(自身を含む): 473969664

約数和(自身を除く): 253789676

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 61, 68, 119, 122, 238, 244, 427, 476, 854, 1037, 1708, 2074, 4148, 7259, 7583, 14518, 15166, 29036, 30332, 53081, 106162, 128911, 212324, 257822, 462563, 515644, 902377, 925126, 1804754, 1850252, 3237941, 3609508, 6475882, 7863571, 12951764, 15727142, 31454284, 55044997, 110089994, 220179988]

約数ペア:

[(1, 220179988), (2, 110089994), (4, 55044997), (7, 31454284), (14, 15727142), (17, 12951764), (28, 7863571), (34, 6475882), (61, 3609508), (68, 3237941), (119, 1850252), (122, 1804754), (238, 925126), (244, 902377), (427, 515644), (476, 462563), (854, 257822), (1037, 212324), (1708, 128911), (2074, 106162), (4148, 53081), (7259, 30332), (7583, 29036), (14518, 15166)]