23193340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 50450400

約数和(自身を除く): 27257060

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 149, 172, 181, 215, 298, 362, 430, 596, 724, 745, 860, 905, 1490, 1810, 2980, 3620, 6407, 7783, 12814, 15566, 25628, 26969, 31132, 32035, 38915, 53938, 64070, 77830, 107876, 128140, 134845, 155660, 269690, 539380, 1159667, 2319334, 4638668, 5798335, 11596670, 23193340]

約数ペア:

[(1, 23193340), (2, 11596670), (4, 5798335), (5, 4638668), (10, 2319334), (20, 1159667), (43, 539380), (86, 269690), (149, 155660), (172, 134845), (181, 128140), (215, 107876), (298, 77830), (362, 64070), (430, 53938), (596, 38915), (724, 32035), (745, 31132), (860, 26969), (905, 25628), (1490, 15566), (1810, 12814), (2980, 7783), (3620, 6407)]