1490563640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{10861}}^1$

素因数の和:10992

約数の個数: 64

約数和(自身を含む): 3472364160

約数和(自身を除く): 1981800520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 73, 94, 146, 188, 235, 292, 365, 376, 470, 584, 730, 940, 1460, 1880, 2920, 3431, 6862, 10861, 13724, 17155, 21722, 27448, 34310, 43444, 54305, 68620, 86888, 108610, 137240, 217220, 434440, 510467, 792853, 1020934, 1585706, 2041868, 2552335, 3171412, 3964265, 4083736, 5104670, 6342824, 7928530, 10209340, 15857060, 20418680, 31714120, 37264091, 74528182, 149056364, 186320455, 298112728, 372640910, 745281820, 1490563640]

約数ペア:

[(1, 1490563640), (2, 745281820), (4, 372640910), (5, 298112728), (8, 186320455), (10, 149056364), (20, 74528182), (40, 37264091), (47, 31714120), (73, 20418680), (94, 15857060), (146, 10209340), (188, 7928530), (235, 6342824), (292, 5104670), (365, 4083736), (376, 3964265), (470, 3171412), (584, 2552335), (730, 2041868), (940, 1585706), (1460, 1020934), (1880, 792853), (2920, 510467), (3431, 434440), (6862, 217220), (10861, 137240), (13724, 108610), (17155, 86888), (21722, 68620), (27448, 54305), (34310, 43444)]