77760100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 185488128

約数和(自身を除く): 107728028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 223, 275, 317, 446, 550, 634, 892, 1100, 1115, 1268, 1585, 2230, 2453, 3170, 3487, 4460, 4906, 5575, 6340, 6974, 7925, 9812, 11150, 12265, 13948, 15850, 17435, 22300, 24530, 31700, 34870, 49060, 61325, 69740, 70691, 87175, 122650, 141382, 174350, 245300, 282764, 348700, 353455, 706910, 777601, 1413820, 1555202, 1767275, 3110404, 3534550, 3888005, 7069100, 7776010, 15552020, 19440025, 38880050, 77760100]

約数ペア:

[(1, 77760100), (2, 38880050), (4, 19440025), (5, 15552020), (10, 7776010), (11, 7069100), (20, 3888005), (22, 3534550), (25, 3110404), (44, 1767275), (50, 1555202), (55, 1413820), (100, 777601), (110, 706910), (220, 353455), (223, 348700), (275, 282764), (317, 245300), (446, 174350), (550, 141382), (634, 122650), (892, 87175), (1100, 70691), (1115, 69740), (1268, 61325), (1585, 49060), (2230, 34870), (2453, 31700), (3170, 24530), (3487, 22300), (4460, 17435), (4906, 15850), (5575, 13948), (6340, 12265), (6974, 11150), (7925, 9812)]