258278320120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2990717}}^1$

素因数の和:2990872

約数の個数: 64

約数和(自身を含む): 620155284480

約数和(自身を除く): 361876964360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 127, 136, 170, 254, 340, 508, 635, 680, 1016, 1270, 2159, 2540, 4318, 5080, 8636, 10795, 17272, 21590, 43180, 86360, 2990717, 5981434, 11962868, 14953585, 23925736, 29907170, 50842189, 59814340, 101684378, 119628680, 203368756, 254210945, 379821059, 406737512, 508421890, 759642118, 1016843780, 1519284236, 1899105295, 2033687560, 3038568472, 3798210590, 6456958003, 7596421180, 12913916006, 15192842360, 25827832012, 32284790015, 51655664024, 64569580030, 129139160060, 258278320120]

約数ペア:

[(1, 258278320120), (2, 129139160060), (4, 64569580030), (5, 51655664024), (8, 32284790015), (10, 25827832012), (17, 15192842360), (20, 12913916006), (34, 7596421180), (40, 6456958003), (68, 3798210590), (85, 3038568472), (127, 2033687560), (136, 1899105295), (170, 1519284236), (254, 1016843780), (340, 759642118), (508, 508421890), (635, 406737512), (680, 379821059), (1016, 254210945), (1270, 203368756), (2159, 119628680), (2540, 101684378), (4318, 59814340), (5080, 50842189), (8636, 29907170), (10795, 23925736), (17272, 14953585), (21590, 11962868), (43180, 5981434), (86360, 2990717)]