4001480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 10644480

約数和(自身を除く): 6643000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 461, 620, 868, 922, 1085, 1240, 1736, 1844, 2170, 2305, 3227, 3688, 4340, 4610, 6454, 8680, 9220, 12908, 14291, 16135, 18440, 25816, 28582, 32270, 57164, 64540, 71455, 100037, 114328, 129080, 142910, 200074, 285820, 400148, 500185, 571640, 800296, 1000370, 2000740, 4001480]

約数ペア:

[(1, 4001480), (2, 2000740), (4, 1000370), (5, 800296), (7, 571640), (8, 500185), (10, 400148), (14, 285820), (20, 200074), (28, 142910), (31, 129080), (35, 114328), (40, 100037), (56, 71455), (62, 64540), (70, 57164), (124, 32270), (140, 28582), (155, 25816), (217, 18440), (248, 16135), (280, 14291), (310, 12908), (434, 9220), (461, 8680), (620, 6454), (868, 4610), (922, 4340), (1085, 3688), (1240, 3227), (1736, 2305), (1844, 2170)]