189680140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{5569}}^1$

素因数の和:5722

約数の個数: 48

約数和(自身を含む): 432321120

約数和(自身を除く): 242640980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 5569, 6812, 8515, 11138, 17030, 22276, 27845, 34060, 55690, 72397, 111380, 144794, 289588, 361985, 723970, 729539, 1447940, 1459078, 2918156, 3647695, 7295390, 9484007, 14590780, 18968014, 37936028, 47420035, 94840070, 189680140]

約数ペア:

[(1, 189680140), (2, 94840070), (4, 47420035), (5, 37936028), (10, 18968014), (13, 14590780), (20, 9484007), (26, 7295390), (52, 3647695), (65, 2918156), (130, 1459078), (131, 1447940), (260, 729539), (262, 723970), (524, 361985), (655, 289588), (1310, 144794), (1703, 111380), (2620, 72397), (3406, 55690), (5569, 34060), (6812, 27845), (8515, 22276), (11138, 17030)]