9151820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 20563200

約数和(自身を除く): 11411380

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 509, 580, 620, 899, 1018, 1798, 2036, 2545, 3596, 4495, 5090, 8990, 10180, 14761, 15779, 17980, 29522, 31558, 59044, 63116, 73805, 78895, 147610, 157790, 295220, 315580, 457591, 915182, 1830364, 2287955, 4575910, 9151820]

約数ペア:

[(1, 9151820), (2, 4575910), (4, 2287955), (5, 1830364), (10, 915182), (20, 457591), (29, 315580), (31, 295220), (58, 157790), (62, 147610), (116, 78895), (124, 73805), (145, 63116), (155, 59044), (290, 31558), (310, 29522), (509, 17980), (580, 15779), (620, 14761), (899, 10180), (1018, 8990), (1798, 5090), (2036, 4495), (2545, 3596)]