380623700

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^2\times {\mathrm{197}}^1$

素因数の和:489

約数の個数: 54

約数和(自身を含む): 836161326

約数和(自身を除く): 455537626

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 197, 278, 394, 556, 695, 788, 985, 1390, 1970, 2780, 3475, 3940, 4925, 6950, 9850, 13900, 19321, 19700, 27383, 38642, 54766, 77284, 96605, 109532, 136915, 193210, 273830, 386420, 483025, 547660, 684575, 966050, 1369150, 1932100, 2738300, 3806237, 7612474, 15224948, 19031185, 38062370, 76124740, 95155925, 190311850, 380623700]

約数ペア:

[(1, 380623700), (2, 190311850), (4, 95155925), (5, 76124740), (10, 38062370), (20, 19031185), (25, 15224948), (50, 7612474), (100, 3806237), (139, 2738300), (197, 1932100), (278, 1369150), (394, 966050), (556, 684575), (695, 547660), (788, 483025), (985, 386420), (1390, 273830), (1970, 193210), (2780, 136915), (3475, 109532), (3940, 96605), (4925, 77284), (6950, 54766), (9850, 38642), (13900, 27383), (19321, 19700)]