42698780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 94160640

約数和(自身を除く): 51461860

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1129, 1220, 1891, 2258, 3782, 4516, 5645, 7564, 9455, 11290, 18910, 22580, 34999, 37820, 68869, 69998, 137738, 139996, 174995, 275476, 344345, 349990, 688690, 699980, 1377380, 2134939, 4269878, 8539756, 10674695, 21349390, 42698780]

約数ペア:

[(1, 42698780), (2, 21349390), (4, 10674695), (5, 8539756), (10, 4269878), (20, 2134939), (31, 1377380), (61, 699980), (62, 688690), (122, 349990), (124, 344345), (155, 275476), (244, 174995), (305, 139996), (310, 137738), (610, 69998), (620, 68869), (1129, 37820), (1220, 34999), (1891, 22580), (2258, 18910), (3782, 11290), (4516, 9455), (5645, 7564)]