211177720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17657}}^1$

素因数の和:17704

約数の個数: 64

約数和(自身を含む): 533977920

約数和(自身を除く): 322800200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 11960, 17657, 35314, 70628, 88285, 141256, 176570, 229541, 353140, 406111, 459082, 706280, 812222, 918164, 1147705, 1624444, 1836328, 2030555, 2295410, 3248888, 4061110, 4590820, 5279443, 8122220, 9181640, 10558886, 16244440, 21117772, 26397215, 42235544, 52794430, 105588860, 211177720]

約数ペア:

[(1, 211177720), (2, 105588860), (4, 52794430), (5, 42235544), (8, 26397215), (10, 21117772), (13, 16244440), (20, 10558886), (23, 9181640), (26, 8122220), (40, 5279443), (46, 4590820), (52, 4061110), (65, 3248888), (92, 2295410), (104, 2030555), (115, 1836328), (130, 1624444), (184, 1147705), (230, 918164), (260, 812222), (299, 706280), (460, 459082), (520, 406111), (598, 353140), (920, 229541), (1196, 176570), (1495, 141256), (2392, 88285), (2990, 70628), (5980, 35314), (11960, 17657)]