17204440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 42988320

約数和(自身を除く): 25783880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 641, 671, 1220, 1282, 1342, 2440, 2564, 2684, 3205, 3355, 5128, 5368, 6410, 6710, 7051, 12820, 13420, 14102, 25640, 26840, 28204, 35255, 39101, 56408, 70510, 78202, 141020, 156404, 195505, 282040, 312808, 391010, 430111, 782020, 860222, 1564040, 1720444, 2150555, 3440888, 4301110, 8602220, 17204440]

約数ペア:

[(1, 17204440), (2, 8602220), (4, 4301110), (5, 3440888), (8, 2150555), (10, 1720444), (11, 1564040), (20, 860222), (22, 782020), (40, 430111), (44, 391010), (55, 312808), (61, 282040), (88, 195505), (110, 156404), (122, 141020), (220, 78202), (244, 70510), (305, 56408), (440, 39101), (488, 35255), (610, 28204), (641, 26840), (671, 25640), (1220, 14102), (1282, 13420), (1342, 12820), (2440, 7051), (2564, 6710), (2684, 6410), (3205, 5368), (3355, 5128)]