8904220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 21026880

約数和(自身を除く): 12122660

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1489, 1495, 2978, 2990, 5956, 5980, 7445, 14890, 19357, 29780, 34247, 38714, 68494, 77428, 96785, 136988, 171235, 193570, 342470, 387140, 445211, 684940, 890422, 1780844, 2226055, 4452110, 8904220]

約数ペア:

[(1, 8904220), (2, 4452110), (4, 2226055), (5, 1780844), (10, 890422), (13, 684940), (20, 445211), (23, 387140), (26, 342470), (46, 193570), (52, 171235), (65, 136988), (92, 96785), (115, 77428), (130, 68494), (230, 38714), (260, 34247), (299, 29780), (460, 19357), (598, 14890), (1196, 7445), (1489, 5980), (1495, 5956), (2978, 2990)]