31769780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1523}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 76809600

約数和(自身を除く): 45039820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 1523, 2086, 2980, 3046, 4172, 5215, 6092, 7615, 10430, 10661, 15230, 20860, 21322, 30460, 42644, 53305, 106610, 213220, 226927, 453854, 907708, 1134635, 1588489, 2269270, 3176978, 4538540, 6353956, 7942445, 15884890, 31769780]

約数ペア:

[(1, 31769780), (2, 15884890), (4, 7942445), (5, 6353956), (7, 4538540), (10, 3176978), (14, 2269270), (20, 1588489), (28, 1134635), (35, 907708), (70, 453854), (140, 226927), (149, 213220), (298, 106610), (596, 53305), (745, 42644), (1043, 30460), (1490, 21322), (1523, 20860), (2086, 15230), (2980, 10661), (3046, 10430), (4172, 7615), (5215, 6092)]