245876800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{11821}}^1$

素因数の和:11856

約数の個数: 84

約数和(自身を含む): 651604996

約数和(自身を除く): 405728196

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 1040, 1300, 1600, 2080, 2600, 4160, 5200, 10400, 11821, 20800, 23642, 47284, 59105, 94568, 118210, 153673, 189136, 236420, 295525, 307346, 378272, 472840, 591050, 614692, 756544, 768365, 945680, 1182100, 1229384, 1536730, 1891360, 2364200, 2458768, 3073460, 3782720, 3841825, 4728400, 4917536, 6146920, 7683650, 9456800, 9835072, 12293840, 15367300, 18913600, 24587680, 30734600, 49175360, 61469200, 122938400, 245876800]

約数ペア:

[(1, 245876800), (2, 122938400), (4, 61469200), (5, 49175360), (8, 30734600), (10, 24587680), (13, 18913600), (16, 15367300), (20, 12293840), (25, 9835072), (26, 9456800), (32, 7683650), (40, 6146920), (50, 4917536), (52, 4728400), (64, 3841825), (65, 3782720), (80, 3073460), (100, 2458768), (104, 2364200), (130, 1891360), (160, 1536730), (200, 1229384), (208, 1182100), (260, 945680), (320, 768365), (325, 756544), (400, 614692), (416, 591050), (520, 472840), (650, 378272), (800, 307346), (832, 295525), (1040, 236420), (1300, 189136), (1600, 153673), (2080, 118210), (2600, 94568), (4160, 59105), (5200, 47284), (10400, 23642), (11821, 20800)]