287052590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 577368000

約数和(自身を除く): 290315410

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 109, 110, 178, 218, 269, 445, 538, 545, 890, 979, 1090, 1199, 1345, 1958, 2398, 2690, 2959, 4895, 5918, 5995, 9701, 9790, 11990, 14795, 19402, 23941, 29321, 29590, 47882, 48505, 58642, 97010, 106711, 119705, 146605, 213422, 239410, 263351, 293210, 322531, 526702, 533555, 645062, 1067110, 1316755, 1612655, 2609569, 2633510, 3225310, 5219138, 13047845, 26095690, 28705259, 57410518, 143526295, 287052590]

約数ペア:

[(1, 287052590), (2, 143526295), (5, 57410518), (10, 28705259), (11, 26095690), (22, 13047845), (55, 5219138), (89, 3225310), (109, 2633510), (110, 2609569), (178, 1612655), (218, 1316755), (269, 1067110), (445, 645062), (538, 533555), (545, 526702), (890, 322531), (979, 293210), (1090, 263351), (1199, 239410), (1345, 213422), (1958, 146605), (2398, 119705), (2690, 106711), (2959, 97010), (4895, 58642), (5918, 48505), (5995, 47882), (9701, 29590), (9790, 29321), (11990, 23941), (14795, 19402)]