27678220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 60405408

約数和(自身を除く): 32727188

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 113, 148, 185, 226, 331, 370, 452, 565, 662, 740, 1130, 1324, 1655, 2260, 3310, 4181, 6620, 8362, 12247, 16724, 20905, 24494, 37403, 41810, 48988, 61235, 74806, 83620, 122470, 149612, 187015, 244940, 374030, 748060, 1383911, 2767822, 5535644, 6919555, 13839110, 27678220]

約数ペア:

[(1, 27678220), (2, 13839110), (4, 6919555), (5, 5535644), (10, 2767822), (20, 1383911), (37, 748060), (74, 374030), (113, 244940), (148, 187015), (185, 149612), (226, 122470), (331, 83620), (370, 74806), (452, 61235), (565, 48988), (662, 41810), (740, 37403), (1130, 24494), (1324, 20905), (1655, 16724), (2260, 12247), (3310, 8362), (4181, 6620)]