280966490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:436

約数の個数: 96

約数和(自身を含む): 627419520

約数和(自身を除く): 346453030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 103, 133, 190, 206, 245, 266, 293, 490, 515, 586, 665, 721, 931, 1030, 1330, 1442, 1465, 1862, 1957, 2051, 2930, 3605, 3914, 4102, 4655, 5047, 5567, 7210, 9310, 9785, 10094, 10255, 11134, 13699, 14357, 19570, 20510, 25235, 27398, 27835, 28714, 30179, 38969, 50470, 55670, 60358, 68495, 71785, 77938, 95893, 136990, 143570, 150895, 191786, 194845, 211253, 272783, 301790, 389690, 422506, 479465, 545566, 573401, 958930, 1056265, 1146802, 1363915, 1478771, 2112530, 2727830, 2867005, 2957542, 4013807, 5734010, 7393855, 8027614, 14787710, 20069035, 28096649, 40138070, 56193298, 140483245, 280966490]

約数ペア:

[(1, 280966490), (2, 140483245), (5, 56193298), (7, 40138070), (10, 28096649), (14, 20069035), (19, 14787710), (35, 8027614), (38, 7393855), (49, 5734010), (70, 4013807), (95, 2957542), (98, 2867005), (103, 2727830), (133, 2112530), (190, 1478771), (206, 1363915), (245, 1146802), (266, 1056265), (293, 958930), (490, 573401), (515, 545566), (586, 479465), (665, 422506), (721, 389690), (931, 301790), (1030, 272783), (1330, 211253), (1442, 194845), (1465, 191786), (1862, 150895), (1957, 143570), (2051, 136990), (2930, 95893), (3605, 77938), (3914, 71785), (4102, 68495), (4655, 60358), (5047, 55670), (5567, 50470), (7210, 38969), (9310, 30179), (9785, 28714), (10094, 27835), (10255, 27398), (11134, 25235), (13699, 20510), (14357, 19570)]