426998960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{1031}}^1$

素因数の和:1242

約数の個数: 80

約数和(自身を含む): 1031933952

約数和(自身を除く): 604934992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 167, 248, 310, 334, 496, 620, 668, 835, 1031, 1240, 1336, 1670, 2062, 2480, 2672, 3340, 4124, 5155, 5177, 6680, 8248, 10310, 10354, 13360, 16496, 20620, 20708, 25885, 31961, 41240, 41416, 51770, 63922, 82480, 82832, 103540, 127844, 159805, 172177, 207080, 255688, 319610, 344354, 414160, 511376, 639220, 688708, 860885, 1278440, 1377416, 1721770, 2556880, 2754832, 3443540, 5337487, 6887080, 10674974, 13774160, 21349948, 26687435, 42699896, 53374870, 85399792, 106749740, 213499480, 426998960]

約数ペア:

[(1, 426998960), (2, 213499480), (4, 106749740), (5, 85399792), (8, 53374870), (10, 42699896), (16, 26687435), (20, 21349948), (31, 13774160), (40, 10674974), (62, 6887080), (80, 5337487), (124, 3443540), (155, 2754832), (167, 2556880), (248, 1721770), (310, 1377416), (334, 1278440), (496, 860885), (620, 688708), (668, 639220), (835, 511376), (1031, 414160), (1240, 344354), (1336, 319610), (1670, 255688), (2062, 207080), (2480, 172177), (2672, 159805), (3340, 127844), (4124, 103540), (5155, 82832), (5177, 82480), (6680, 63922), (8248, 51770), (10310, 41416), (10354, 41240), (13360, 31961), (16496, 25885), (20620, 20708)]