998921680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{2087}}^1$

素因数の和:2324

約数の個数: 80

約数和(自身を含む): 2410988544

約数和(自身を除く): 1412066864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 193, 248, 310, 386, 496, 620, 772, 965, 1240, 1544, 1930, 2087, 2480, 3088, 3860, 4174, 5983, 7720, 8348, 10435, 11966, 15440, 16696, 20870, 23932, 29915, 33392, 41740, 47864, 59830, 64697, 83480, 95728, 119660, 129394, 166960, 239320, 258788, 323485, 402791, 478640, 517576, 646970, 805582, 1035152, 1293940, 1611164, 2013955, 2587880, 3222328, 4027910, 5175760, 6444656, 8055820, 12486521, 16111640, 24973042, 32223280, 49946084, 62432605, 99892168, 124865210, 199784336, 249730420, 499460840, 998921680]

約数ペア:

[(1, 998921680), (2, 499460840), (4, 249730420), (5, 199784336), (8, 124865210), (10, 99892168), (16, 62432605), (20, 49946084), (31, 32223280), (40, 24973042), (62, 16111640), (80, 12486521), (124, 8055820), (155, 6444656), (193, 5175760), (248, 4027910), (310, 3222328), (386, 2587880), (496, 2013955), (620, 1611164), (772, 1293940), (965, 1035152), (1240, 805582), (1544, 646970), (1930, 517576), (2087, 478640), (2480, 402791), (3088, 323485), (3860, 258788), (4174, 239320), (5983, 166960), (7720, 129394), (8348, 119660), (10435, 95728), (11966, 83480), (15440, 64697), (16696, 59830), (20870, 47864), (23932, 41740), (29915, 33392)]