8380540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 20772864

約数和(自身を除く): 12392324

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, 1931, 2170, 3862, 4340, 7724, 9655, 13517, 19310, 27034, 38620, 54068, 59861, 67585, 119722, 135170, 239444, 270340, 299305, 419027, 598610, 838054, 1197220, 1676108, 2095135, 4190270, 8380540]

約数ペア:

[(1, 8380540), (2, 4190270), (4, 2095135), (5, 1676108), (7, 1197220), (10, 838054), (14, 598610), (20, 419027), (28, 299305), (31, 270340), (35, 239444), (62, 135170), (70, 119722), (124, 67585), (140, 59861), (155, 54068), (217, 38620), (310, 27034), (434, 19310), (620, 13517), (868, 9655), (1085, 7724), (1931, 4340), (2170, 3862)]