1305944900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{3169}}^1$

素因数の和:3513

約数の個数: 72

約数和(自身を含む): 3062486280

約数和(自身を除く): 1756541380

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 317, 325, 634, 650, 1268, 1300, 1585, 3169, 3170, 4121, 6338, 6340, 7925, 8242, 12676, 15845, 15850, 16484, 20605, 31690, 31700, 41197, 41210, 63380, 79225, 82394, 82420, 103025, 158450, 164788, 205985, 206050, 316900, 411970, 412100, 823940, 1004573, 1029925, 2009146, 2059850, 4018292, 4119700, 5022865, 10045730, 13059449, 20091460, 25114325, 26118898, 50228650, 52237796, 65297245, 100457300, 130594490, 261188980, 326486225, 652972450, 1305944900]

約数ペア:

[(1, 1305944900), (2, 652972450), (4, 326486225), (5, 261188980), (10, 130594490), (13, 100457300), (20, 65297245), (25, 52237796), (26, 50228650), (50, 26118898), (52, 25114325), (65, 20091460), (100, 13059449), (130, 10045730), (260, 5022865), (317, 4119700), (325, 4018292), (634, 2059850), (650, 2009146), (1268, 1029925), (1300, 1004573), (1585, 823940), (3169, 412100), (3170, 411970), (4121, 316900), (6338, 206050), (6340, 205985), (7925, 164788), (8242, 158450), (12676, 103025), (15845, 82420), (15850, 82394), (16484, 79225), (20605, 63380), (31690, 41210), (31700, 41197)]