123381860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28429}}^1$

素因数の和:28476

約数の個数: 48

約数和(自身を含む): 305679360

約数和(自身を除く): 182297500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 28429, 56858, 113716, 142145, 199003, 284290, 398006, 568580, 796012, 881299, 995015, 1762598, 1990030, 3525196, 3980060, 4406495, 6169093, 8812990, 12338186, 17625980, 24676372, 30845465, 61690930, 123381860]

約数ペア:

[(1, 123381860), (2, 61690930), (4, 30845465), (5, 24676372), (7, 17625980), (10, 12338186), (14, 8812990), (20, 6169093), (28, 4406495), (31, 3980060), (35, 3525196), (62, 1990030), (70, 1762598), (124, 995015), (140, 881299), (155, 796012), (217, 568580), (310, 398006), (434, 284290), (620, 199003), (868, 142145), (1085, 113716), (2170, 56858), (4340, 28429)]