71449660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 154611072

約数和(自身を除く): 83161412

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 251, 331, 430, 502, 662, 860, 1004, 1255, 1324, 1655, 2510, 3310, 5020, 6620, 10793, 14233, 21586, 28466, 43172, 53965, 56932, 71165, 83081, 107930, 142330, 166162, 215860, 284660, 332324, 415405, 830810, 1661620, 3572483, 7144966, 14289932, 17862415, 35724830, 71449660]

約数ペア:

[(1, 71449660), (2, 35724830), (4, 17862415), (5, 14289932), (10, 7144966), (20, 3572483), (43, 1661620), (86, 830810), (172, 415405), (215, 332324), (251, 284660), (331, 215860), (430, 166162), (502, 142330), (662, 107930), (860, 83081), (1004, 71165), (1255, 56932), (1324, 53965), (1655, 43172), (2510, 28466), (3310, 21586), (5020, 14233), (6620, 10793)]