251286440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1831}}^1$

素因数の和:1962

約数の個数: 64

約数和(自身を含む): 585653760

約数和(自身を除く): 334367320

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, 1831, 1880, 2920, 3431, 3662, 6862, 7324, 9155, 13724, 14648, 17155, 18310, 27448, 34310, 36620, 68620, 73240, 86057, 133663, 137240, 172114, 267326, 344228, 430285, 534652, 668315, 688456, 860570, 1069304, 1336630, 1721140, 2673260, 3442280, 5346520, 6282161, 12564322, 25128644, 31410805, 50257288, 62821610, 125643220, 251286440]

約数ペア:

[(1, 251286440), (2, 125643220), (4, 62821610), (5, 50257288), (8, 31410805), (10, 25128644), (20, 12564322), (40, 6282161), (47, 5346520), (73, 3442280), (94, 2673260), (146, 1721140), (188, 1336630), (235, 1069304), (292, 860570), (365, 688456), (376, 668315), (470, 534652), (584, 430285), (730, 344228), (940, 267326), (1460, 172114), (1831, 137240), (1880, 133663), (2920, 86057), (3431, 73240), (3662, 68620), (6862, 36620), (7324, 34310), (9155, 27448), (13724, 18310), (14648, 17155)]