209062640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113621}}^1$

素因数の和:113657

約数の個数: 40

約数和(自身を含む): 507208608

約数和(自身を除く): 298145968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 113621, 227242, 454484, 568105, 908968, 1136210, 1817936, 2272420, 2613283, 4544840, 5226566, 9089680, 10453132, 13066415, 20906264, 26132830, 41812528, 52265660, 104531320, 209062640]

約数ペア:

[(1, 209062640), (2, 104531320), (4, 52265660), (5, 41812528), (8, 26132830), (10, 20906264), (16, 13066415), (20, 10453132), (23, 9089680), (40, 5226566), (46, 4544840), (80, 2613283), (92, 2272420), (115, 1817936), (184, 1136210), (230, 908968), (368, 568105), (460, 454484), (920, 227242), (1840, 113621)]