210818920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17627}}^1$

素因数の和:17674

約数の個数: 64

約数和(自身を含む): 533070720

約数和(自身を除く): 322251800

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, 17627, 35254, 70508, 88135, 141016, 176270, 229151, 352540, 405421, 458302, 705080, 810842, 916604, 1145755, 1621684, 1833208, 2027105, 2291510, 3243368, 4054210, 4583020, 5270473, 8108420, 9166040, 10540946, 16216840, 21081892, 26352365, 42163784, 52704730, 105409460, 210818920]

約数ペア:

[(1, 210818920), (2, 105409460), (4, 52704730), (5, 42163784), (8, 26352365), (10, 21081892), (13, 16216840), (20, 10540946), (23, 9166040), (26, 8108420), (40, 5270473), (46, 4583020), (52, 4054210), (65, 3243368), (92, 2291510), (104, 2027105), (115, 1833208), (130, 1621684), (184, 1145755), (230, 916604), (260, 810842), (299, 705080), (460, 458302), (520, 405421), (598, 352540), (920, 229151), (1196, 176270), (1495, 141016), (2392, 88135), (2990, 70508), (5980, 35254), (11960, 17627)]