122813900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{359}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 292481280

約数和(自身を除く): 169667380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 311, 359, 550, 622, 718, 1100, 1244, 1436, 1555, 1795, 3110, 3421, 3590, 3949, 6220, 6842, 7180, 7775, 7898, 8975, 13684, 15550, 15796, 17105, 17950, 19745, 31100, 34210, 35900, 39490, 68420, 78980, 85525, 98725, 111649, 171050, 197450, 223298, 342100, 394900, 446596, 558245, 1116490, 1228139, 2232980, 2456278, 2791225, 4912556, 5582450, 6140695, 11164900, 12281390, 24562780, 30703475, 61406950, 122813900]

約数ペア:

[(1, 122813900), (2, 61406950), (4, 30703475), (5, 24562780), (10, 12281390), (11, 11164900), (20, 6140695), (22, 5582450), (25, 4912556), (44, 2791225), (50, 2456278), (55, 2232980), (100, 1228139), (110, 1116490), (220, 558245), (275, 446596), (311, 394900), (359, 342100), (550, 223298), (622, 197450), (718, 171050), (1100, 111649), (1244, 98725), (1436, 85525), (1555, 78980), (1795, 68420), (3110, 39490), (3421, 35900), (3590, 34210), (3949, 31100), (6220, 19745), (6842, 17950), (7180, 17105), (7775, 15796), (7898, 15550), (8975, 13684)]