320460145

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 407964960

約数和(自身を除く): 87504815

約数列:

[1, 5, 37, 61, 73, 185, 305, 365, 389, 1945, 2257, 2701, 4453, 11285, 13505, 14393, 22265, 23729, 28397, 71965, 118645, 141985, 164761, 823805, 877973, 1050689, 1732217, 4389865, 5253445, 8661085, 64092029, 320460145]

約数ペア:

[(1, 320460145), (5, 64092029), (37, 8661085), (61, 5253445), (73, 4389865), (185, 1732217), (305, 1050689), (365, 877973), (389, 823805), (1945, 164761), (2257, 141985), (2701, 118645), (4453, 71965), (11285, 28397), (13505, 23729), (14393, 22265)]