1222144400

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{74521}}^1$

素因数の和:74580

約数の個数: 60

約数和(自身を含む): 3007856964

約数和(自身を除く): 1785712564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 8200, 16400, 74521, 149042, 298084, 372605, 596168, 745210, 1192336, 1490420, 1863025, 2980840, 3055361, 3726050, 5961680, 6110722, 7452100, 12221444, 14904200, 15276805, 24442888, 29808400, 30553610, 48885776, 61107220, 76384025, 122214440, 152768050, 244428880, 305536100, 611072200, 1222144400]

約数ペア:

[(1, 1222144400), (2, 611072200), (4, 305536100), (5, 244428880), (8, 152768050), (10, 122214440), (16, 76384025), (20, 61107220), (25, 48885776), (40, 30553610), (41, 29808400), (50, 24442888), (80, 15276805), (82, 14904200), (100, 12221444), (164, 7452100), (200, 6110722), (205, 5961680), (328, 3726050), (400, 3055361), (410, 2980840), (656, 1863025), (820, 1490420), (1025, 1192336), (1640, 745210), (2050, 596168), (3280, 372605), (4100, 298084), (8200, 149042), (16400, 74521)]