149880440

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{6173}}^1$

素因数の和:6791

約数の個数: 32

約数和(自身を含む): 337841280

約数和(自身を除く): 187960840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 4856, 6070, 6173, 12140, 12346, 24280, 24692, 30865, 49384, 61730, 123460, 246920, 3747011, 7494022, 14988044, 18735055, 29976088, 37470110, 74940220, 149880440]

約数ペア:

[(1, 149880440), (2, 74940220), (4, 37470110), (5, 29976088), (8, 18735055), (10, 14988044), (20, 7494022), (40, 3747011), (607, 246920), (1214, 123460), (2428, 61730), (3035, 49384), (4856, 30865), (6070, 24692), (6173, 24280), (12140, 12346)]