127437700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{587}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 300105792

約数和(自身を除く): 172668092

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 167, 260, 325, 334, 587, 650, 668, 835, 1174, 1300, 1670, 2171, 2348, 2935, 3340, 4175, 4342, 5870, 7631, 8350, 8684, 10855, 11740, 14675, 15262, 16700, 21710, 29350, 30524, 38155, 43420, 54275, 58700, 76310, 98029, 108550, 152620, 190775, 196058, 217100, 381550, 392116, 490145, 763100, 980290, 1274377, 1960580, 2450725, 2548754, 4901450, 5097508, 6371885, 9802900, 12743770, 25487540, 31859425, 63718850, 127437700]

約数ペア:

[(1, 127437700), (2, 63718850), (4, 31859425), (5, 25487540), (10, 12743770), (13, 9802900), (20, 6371885), (25, 5097508), (26, 4901450), (50, 2548754), (52, 2450725), (65, 1960580), (100, 1274377), (130, 980290), (167, 763100), (260, 490145), (325, 392116), (334, 381550), (587, 217100), (650, 196058), (668, 190775), (835, 152620), (1174, 108550), (1300, 98029), (1670, 76310), (2171, 58700), (2348, 54275), (2935, 43420), (3340, 38155), (4175, 30524), (4342, 29350), (5870, 21710), (7631, 16700), (8350, 15262), (8684, 14675), (10855, 11740)]