393968770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3371}}^1$

素因数の和:3451

約数の個数: 64

約数和(自身を含む): 815754240

約数和(自身を除く): 421785470

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 58, 62, 65, 130, 145, 155, 290, 310, 377, 403, 754, 806, 899, 1798, 1885, 2015, 3371, 3770, 4030, 4495, 6742, 8990, 11687, 16855, 23374, 33710, 43823, 58435, 87646, 97759, 104501, 116870, 195518, 209002, 219115, 438230, 488795, 522505, 977590, 1045010, 1270867, 1358513, 2541734, 2717026, 3030529, 6061058, 6354335, 6792565, 12708670, 13585130, 15152645, 30305290, 39396877, 78793754, 196984385, 393968770]

約数ペア:

[(1, 393968770), (2, 196984385), (5, 78793754), (10, 39396877), (13, 30305290), (26, 15152645), (29, 13585130), (31, 12708670), (58, 6792565), (62, 6354335), (65, 6061058), (130, 3030529), (145, 2717026), (155, 2541734), (290, 1358513), (310, 1270867), (377, 1045010), (403, 977590), (754, 522505), (806, 488795), (899, 438230), (1798, 219115), (1885, 209002), (2015, 195518), (3371, 116870), (3770, 104501), (4030, 97759), (4495, 87646), (6742, 58435), (8990, 43823), (11687, 33710), (16855, 23374)]