320814910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{21839}}^1$

素因数の和:21972

約数の個数: 32

約数和(自身を含む): 627419520

約数和(自身を除く): 306604610

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 565, 1130, 1469, 2938, 7345, 14690, 21839, 43678, 109195, 218390, 283907, 567814, 1419535, 2467807, 2839070, 4935614, 12339035, 24678070, 32081491, 64162982, 160407455, 320814910]

約数ペア:

[(1, 320814910), (2, 160407455), (5, 64162982), (10, 32081491), (13, 24678070), (26, 12339035), (65, 4935614), (113, 2839070), (130, 2467807), (226, 1419535), (565, 567814), (1130, 283907), (1469, 218390), (2938, 109195), (7345, 43678), (14690, 21839)]