218565650

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 415480104

約数和(自身を除く): 196914454

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 233, 257, 365, 466, 514, 730, 1165, 1285, 1825, 2330, 2570, 3650, 5825, 6425, 11650, 12850, 17009, 18761, 34018, 37522, 59881, 85045, 93805, 119762, 170090, 187610, 299405, 425225, 469025, 598810, 850450, 938050, 1497025, 2994050, 4371313, 8742626, 21856565, 43713130, 109282825, 218565650]

約数ペア:

[(1, 218565650), (2, 109282825), (5, 43713130), (10, 21856565), (25, 8742626), (50, 4371313), (73, 2994050), (146, 1497025), (233, 938050), (257, 850450), (365, 598810), (466, 469025), (514, 425225), (730, 299405), (1165, 187610), (1285, 170090), (1825, 119762), (2330, 93805), (2570, 85045), (3650, 59881), (5825, 37522), (6425, 34018), (11650, 18761), (12850, 17009)]