7718380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 17095680

約数和(自身を除く): 9377300

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 211, 236, 295, 310, 422, 590, 620, 844, 1055, 1180, 1829, 2110, 3658, 4220, 6541, 7316, 9145, 12449, 13082, 18290, 24898, 26164, 32705, 36580, 49796, 62245, 65410, 124490, 130820, 248980, 385919, 771838, 1543676, 1929595, 3859190, 7718380]

約数ペア:

[(1, 7718380), (2, 3859190), (4, 1929595), (5, 1543676), (10, 771838), (20, 385919), (31, 248980), (59, 130820), (62, 124490), (118, 65410), (124, 62245), (155, 49796), (211, 36580), (236, 32705), (295, 26164), (310, 24898), (422, 18290), (590, 13082), (620, 12449), (844, 9145), (1055, 7316), (1180, 6541), (1829, 4220), (2110, 3658)]