83578190

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1999}}^1$

素因数の和:2156

約数の個数: 32

約数和(自身を含む): 155952000

約数和(自身を除く): 72373810

約数列:

[1, 2, 5, 10, 37, 74, 113, 185, 226, 370, 565, 1130, 1999, 3998, 4181, 8362, 9995, 19990, 20905, 41810, 73963, 147926, 225887, 369815, 451774, 739630, 1129435, 2258870, 8357819, 16715638, 41789095, 83578190]

約数ペア:

[(1, 83578190), (2, 41789095), (5, 16715638), (10, 8357819), (37, 2258870), (74, 1129435), (113, 739630), (185, 451774), (226, 369815), (370, 225887), (565, 147926), (1130, 73963), (1999, 41810), (3998, 20905), (4181, 19990), (8362, 9995)]