131684360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1861}}^1$

素因数の和:1962

約数の個数: 64

約数和(自身を含む): 311698800

約数和(自身を除く): 180014440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 580, 610, 1160, 1220, 1769, 1861, 2440, 3538, 3722, 7076, 7444, 8845, 9305, 14152, 14888, 17690, 18610, 35380, 37220, 53969, 70760, 74440, 107938, 113521, 215876, 227042, 269845, 431752, 454084, 539690, 567605, 908168, 1079380, 1135210, 2158760, 2270420, 3292109, 4540840, 6584218, 13168436, 16460545, 26336872, 32921090, 65842180, 131684360]

約数ペア:

[(1, 131684360), (2, 65842180), (4, 32921090), (5, 26336872), (8, 16460545), (10, 13168436), (20, 6584218), (29, 4540840), (40, 3292109), (58, 2270420), (61, 2158760), (116, 1135210), (122, 1079380), (145, 908168), (232, 567605), (244, 539690), (290, 454084), (305, 431752), (488, 269845), (580, 227042), (610, 215876), (1160, 113521), (1220, 107938), (1769, 74440), (1861, 70760), (2440, 53969), (3538, 37220), (3722, 35380), (7076, 18610), (7444, 17690), (8845, 14888), (9305, 14152)]