28753970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 63680256

約数和(自身を除く): 34926286

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 73, 85, 119, 146, 170, 238, 331, 365, 511, 595, 662, 730, 1022, 1190, 1241, 1655, 2317, 2482, 2555, 3310, 4634, 5110, 5627, 6205, 8687, 11254, 11585, 12410, 17374, 23170, 24163, 28135, 39389, 43435, 48326, 56270, 78778, 86870, 120815, 169141, 196945, 241630, 338282, 393890, 410771, 821542, 845705, 1691410, 2053855, 2875397, 4107710, 5750794, 14376985, 28753970]

約数ペア:

[(1, 28753970), (2, 14376985), (5, 5750794), (7, 4107710), (10, 2875397), (14, 2053855), (17, 1691410), (34, 845705), (35, 821542), (70, 410771), (73, 393890), (85, 338282), (119, 241630), (146, 196945), (170, 169141), (238, 120815), (331, 86870), (365, 78778), (511, 56270), (595, 48326), (662, 43435), (730, 39389), (1022, 28135), (1190, 24163), (1241, 23170), (1655, 17374), (2317, 12410), (2482, 11585), (2555, 11254), (3310, 8687), (4634, 6205), (5110, 5627)]