8389220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1933}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 20794368

約数和(自身を除く): 12405148

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, 1933, 2170, 3866, 4340, 7732, 9665, 13531, 19330, 27062, 38660, 54124, 59923, 67655, 119846, 135310, 239692, 270620, 299615, 419461, 599230, 838922, 1198460, 1677844, 2097305, 4194610, 8389220]

約数ペア:

[(1, 8389220), (2, 4194610), (4, 2097305), (5, 1677844), (7, 1198460), (10, 838922), (14, 599230), (20, 419461), (28, 299615), (31, 270620), (35, 239692), (62, 135310), (70, 119846), (124, 67655), (140, 59923), (155, 54124), (217, 38660), (310, 27062), (434, 19330), (620, 13531), (868, 9665), (1085, 7732), (1933, 4340), (2170, 3866)]