215790250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1088

約数の個数: 64

約数和(自身を含む): 441971712

約数和(自身を除く): 226181462

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 125, 130, 134, 250, 325, 335, 650, 670, 871, 991, 1625, 1675, 1742, 1982, 3250, 3350, 4355, 4955, 8375, 8710, 9910, 12883, 16750, 21775, 24775, 25766, 43550, 49550, 64415, 66397, 108875, 123875, 128830, 132794, 217750, 247750, 322075, 331985, 644150, 663970, 863161, 1610375, 1659925, 1726322, 3220750, 3319850, 4315805, 8299625, 8631610, 16599250, 21579025, 43158050, 107895125, 215790250]

約数ペア:

[(1, 215790250), (2, 107895125), (5, 43158050), (10, 21579025), (13, 16599250), (25, 8631610), (26, 8299625), (50, 4315805), (65, 3319850), (67, 3220750), (125, 1726322), (130, 1659925), (134, 1610375), (250, 863161), (325, 663970), (335, 644150), (650, 331985), (670, 322075), (871, 247750), (991, 217750), (1625, 132794), (1675, 128830), (1742, 123875), (1982, 108875), (3250, 66397), (3350, 64415), (4355, 49550), (4955, 43550), (8375, 25766), (8710, 24775), (9910, 21775), (12883, 16750)]