420749897620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{875213}}^1$

素因数の和:875321

約数の個数: 72

約数和(自身を含む): 974186699976

約数和(自身を除く): 553436802356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1849, 2236, 2795, 3698, 5590, 7396, 9245, 11180, 18490, 24037, 36980, 48074, 96148, 120185, 240370, 480740, 875213, 1750426, 3500852, 4376065, 8752130, 11377769, 17504260, 22755538, 37634159, 45511076, 56888845, 75268318, 113777690, 150536636, 188170795, 227555380, 376341590, 489244067, 752683180, 978488134, 1618268837, 1956976268, 2446220335, 3236537674, 4892440670, 6473075348, 8091344185, 9784881340, 16182688370, 21037494881, 32365376740, 42074989762, 84149979524, 105187474405, 210374948810, 420749897620]

約数ペア:

[(1, 420749897620), (2, 210374948810), (4, 105187474405), (5, 84149979524), (10, 42074989762), (13, 32365376740), (20, 21037494881), (26, 16182688370), (43, 9784881340), (52, 8091344185), (65, 6473075348), (86, 4892440670), (130, 3236537674), (172, 2446220335), (215, 1956976268), (260, 1618268837), (430, 978488134), (559, 752683180), (860, 489244067), (1118, 376341590), (1849, 227555380), (2236, 188170795), (2795, 150536636), (3698, 113777690), (5590, 75268318), (7396, 56888845), (9245, 45511076), (11180, 37634159), (18490, 22755538), (24037, 17504260), (36980, 11377769), (48074, 8752130), (96148, 4376065), (120185, 3500852), (240370, 1750426), (480740, 875213)]