247025480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{16381}}^1$

素因数の和:16434

約数の個数: 64

約数和(自身を含む): 619239600

約数和(自身を除く): 372214120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 3016, 3770, 7540, 15080, 16381, 32762, 65524, 81905, 131048, 163810, 212953, 327620, 425906, 475049, 655240, 851812, 950098, 1064765, 1703624, 1900196, 2129530, 2375245, 3800392, 4259060, 4750490, 6175637, 8518120, 9500980, 12351274, 19001960, 24702548, 30878185, 49405096, 61756370, 123512740, 247025480]

約数ペア:

[(1, 247025480), (2, 123512740), (4, 61756370), (5, 49405096), (8, 30878185), (10, 24702548), (13, 19001960), (20, 12351274), (26, 9500980), (29, 8518120), (40, 6175637), (52, 4750490), (58, 4259060), (65, 3800392), (104, 2375245), (116, 2129530), (130, 1900196), (145, 1703624), (232, 1064765), (260, 950098), (290, 851812), (377, 655240), (520, 475049), (580, 425906), (754, 327620), (1160, 212953), (1508, 163810), (1885, 131048), (3016, 81905), (3770, 65524), (7540, 32762), (15080, 16381)]