77680850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:384

約数の個数: 72

約数和(自身を含む): 162361260

約数和(自身を除く): 84680410

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 169, 290, 317, 325, 338, 377, 634, 650, 725, 754, 845, 1450, 1585, 1690, 1885, 3170, 3770, 4121, 4225, 4901, 7925, 8242, 8450, 9193, 9425, 9802, 15850, 18386, 18850, 20605, 24505, 41210, 45965, 49010, 53573, 91930, 103025, 107146, 119509, 122525, 206050, 229825, 239018, 245050, 267865, 459650, 535730, 597545, 1195090, 1339325, 1553617, 2678650, 2987725, 3107234, 5975450, 7768085, 15536170, 38840425, 77680850]

約数ペア:

[(1, 77680850), (2, 38840425), (5, 15536170), (10, 7768085), (13, 5975450), (25, 3107234), (26, 2987725), (29, 2678650), (50, 1553617), (58, 1339325), (65, 1195090), (130, 597545), (145, 535730), (169, 459650), (290, 267865), (317, 245050), (325, 239018), (338, 229825), (377, 206050), (634, 122525), (650, 119509), (725, 107146), (754, 103025), (845, 91930), (1450, 53573), (1585, 49010), (1690, 45965), (1885, 41210), (3170, 24505), (3770, 20605), (4121, 18850), (4225, 18386), (4901, 15850), (7925, 9802), (8242, 9425), (8450, 9193)]