89741860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:437

約数の個数: 96

約数和(自身を含む): 217324800

約数和(自身を除く): 127582940

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 43, 46, 52, 65, 86, 92, 115, 130, 172, 215, 230, 260, 299, 349, 430, 460, 559, 598, 698, 860, 989, 1118, 1196, 1396, 1495, 1745, 1978, 2236, 2795, 2990, 3490, 3956, 4537, 4945, 5590, 5980, 6980, 8027, 9074, 9890, 11180, 12857, 15007, 16054, 18148, 19780, 22685, 25714, 30014, 32108, 40135, 45370, 51428, 60028, 64285, 75035, 80270, 90740, 104351, 128570, 150070, 160540, 195091, 208702, 257140, 300140, 345161, 390182, 417404, 521755, 690322, 780364, 975455, 1043510, 1380644, 1725805, 1950910, 2087020, 3451610, 3901820, 4487093, 6903220, 8974186, 17948372, 22435465, 44870930, 89741860]

約数ペア:

[(1, 89741860), (2, 44870930), (4, 22435465), (5, 17948372), (10, 8974186), (13, 6903220), (20, 4487093), (23, 3901820), (26, 3451610), (43, 2087020), (46, 1950910), (52, 1725805), (65, 1380644), (86, 1043510), (92, 975455), (115, 780364), (130, 690322), (172, 521755), (215, 417404), (230, 390182), (260, 345161), (299, 300140), (349, 257140), (430, 208702), (460, 195091), (559, 160540), (598, 150070), (698, 128570), (860, 104351), (989, 90740), (1118, 80270), (1196, 75035), (1396, 64285), (1495, 60028), (1745, 51428), (1978, 45370), (2236, 40135), (2795, 32108), (2990, 30014), (3490, 25714), (3956, 22685), (4537, 19780), (4945, 18148), (5590, 16054), (5980, 15007), (6980, 12857), (8027, 11180), (9074, 9890)]