220625680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1049}}^1$

素因数の和:1312

約数の個数: 80

約数和(自身を含む): 562464000

約数和(自身を除く): 341838320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 239, 440, 478, 880, 956, 1049, 1195, 1912, 2098, 2390, 2629, 3824, 4196, 4780, 5245, 5258, 8392, 9560, 10490, 10516, 11539, 13145, 16784, 19120, 20980, 21032, 23078, 26290, 41960, 42064, 46156, 52580, 57695, 83920, 92312, 105160, 115390, 184624, 210320, 230780, 250711, 461560, 501422, 923120, 1002844, 1253555, 2005688, 2507110, 2757821, 4011376, 5014220, 5515642, 10028440, 11031284, 13789105, 20056880, 22062568, 27578210, 44125136, 55156420, 110312840, 220625680]

約数ペア:

[(1, 220625680), (2, 110312840), (4, 55156420), (5, 44125136), (8, 27578210), (10, 22062568), (11, 20056880), (16, 13789105), (20, 11031284), (22, 10028440), (40, 5515642), (44, 5014220), (55, 4011376), (80, 2757821), (88, 2507110), (110, 2005688), (176, 1253555), (220, 1002844), (239, 923120), (440, 501422), (478, 461560), (880, 250711), (956, 230780), (1049, 210320), (1195, 184624), (1912, 115390), (2098, 105160), (2390, 92312), (2629, 83920), (3824, 57695), (4196, 52580), (4780, 46156), (5245, 42064), (5258, 41960), (8392, 26290), (9560, 23078), (10490, 21032), (10516, 20980), (11539, 19120), (13145, 16784)]