77339420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1579}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 169881600

約数和(自身を除く): 92542180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1579, 1580, 2449, 3158, 4898, 6316, 7895, 9796, 12245, 15790, 24490, 31580, 48949, 48980, 97898, 124741, 195796, 244745, 249482, 489490, 498964, 623705, 978980, 1247410, 2494820, 3866971, 7733942, 15467884, 19334855, 38669710, 77339420]

約数ペア:

[(1, 77339420), (2, 38669710), (4, 19334855), (5, 15467884), (10, 7733942), (20, 3866971), (31, 2494820), (62, 1247410), (79, 978980), (124, 623705), (155, 498964), (158, 489490), (310, 249482), (316, 244745), (395, 195796), (620, 124741), (790, 97898), (1579, 48980), (1580, 48949), (2449, 31580), (3158, 24490), (4898, 15790), (6316, 12245), (7895, 9796)]