400014790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^3$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 879321600

約数和(自身を除く): 479306810

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 67, 70, 95, 133, 134, 190, 266, 335, 469, 665, 670, 938, 1273, 1330, 2345, 2546, 4489, 4690, 6365, 8911, 8978, 12730, 17822, 22445, 31423, 44555, 44890, 62846, 85291, 89110, 157115, 170582, 300763, 314230, 426455, 597037, 601526, 852910, 1194074, 1503815, 2105341, 2985185, 3007630, 4210682, 5714497, 5970370, 10526705, 11428994, 21053410, 28572485, 40001479, 57144970, 80002958, 200007395, 400014790]

約数ペア:

[(1, 400014790), (2, 200007395), (5, 80002958), (7, 57144970), (10, 40001479), (14, 28572485), (19, 21053410), (35, 11428994), (38, 10526705), (67, 5970370), (70, 5714497), (95, 4210682), (133, 3007630), (134, 2985185), (190, 2105341), (266, 1503815), (335, 1194074), (469, 852910), (665, 601526), (670, 597037), (938, 426455), (1273, 314230), (1330, 300763), (2345, 170582), (2546, 157115), (4489, 89110), (4690, 85291), (6365, 62846), (8911, 44890), (8978, 44555), (12730, 31423), (17822, 22445)]