289780480

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1871}}^1$

素因数の和:1914

約数の個数: 108

約数和(自身を含む): 763360416

約数和(自身を除く): 473579936

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 440, 484, 605, 640, 704, 880, 968, 1210, 1280, 1408, 1760, 1871, 1936, 2420, 2816, 3520, 3742, 3872, 4840, 7040, 7484, 7744, 9355, 9680, 14080, 14968, 15488, 18710, 19360, 20581, 29936, 30976, 37420, 38720, 41162, 59872, 74840, 77440, 82324, 102905, 119744, 149680, 154880, 164648, 205810, 226391, 239488, 299360, 329296, 411620, 452782, 478976, 598720, 658592, 823240, 905564, 1131955, 1197440, 1317184, 1646480, 1811128, 2263910, 2394880, 2634368, 3292960, 3622256, 4527820, 5268736, 6585920, 7244512, 9055640, 13171840, 14489024, 18111280, 26343680, 28978048, 36222560, 57956096, 72445120, 144890240, 289780480]

約数ペア:

[(1, 289780480), (2, 144890240), (4, 72445120), (5, 57956096), (8, 36222560), (10, 28978048), (11, 26343680), (16, 18111280), (20, 14489024), (22, 13171840), (32, 9055640), (40, 7244512), (44, 6585920), (55, 5268736), (64, 4527820), (80, 3622256), (88, 3292960), (110, 2634368), (121, 2394880), (128, 2263910), (160, 1811128), (176, 1646480), (220, 1317184), (242, 1197440), (256, 1131955), (320, 905564), (352, 823240), (440, 658592), (484, 598720), (605, 478976), (640, 452782), (704, 411620), (880, 329296), (968, 299360), (1210, 239488), (1280, 226391), (1408, 205810), (1760, 164648), (1871, 154880), (1936, 149680), (2420, 119744), (2816, 102905), (3520, 82324), (3742, 77440), (3872, 74840), (4840, 59872), (7040, 41162), (7484, 38720), (7744, 37420), (9355, 30976), (9680, 29936), (14080, 20581), (14968, 19360), (15488, 18710)]