320486140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53593}}^1$

素因数の和:53638

約数の個数: 48

約数和(自身を含む): 756318528

約数和(自身を除く): 435832388

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 53593, 107186, 214372, 267965, 535930, 696709, 1071860, 1232639, 1393418, 2465278, 2786836, 3483545, 4930556, 6163195, 6967090, 12326390, 13934180, 16024307, 24652780, 32048614, 64097228, 80121535, 160243070, 320486140]

約数ペア:

[(1, 320486140), (2, 160243070), (4, 80121535), (5, 64097228), (10, 32048614), (13, 24652780), (20, 16024307), (23, 13934180), (26, 12326390), (46, 6967090), (52, 6163195), (65, 4930556), (92, 3483545), (115, 2786836), (130, 2465278), (230, 1393418), (260, 1232639), (299, 1071860), (460, 696709), (598, 535930), (1196, 267965), (1495, 214372), (2990, 107186), (5980, 53593)]