170292040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 394954560

約数和(自身を除く): 224662520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 181, 215, 344, 362, 430, 547, 724, 860, 905, 1094, 1448, 1720, 1810, 2188, 2735, 3620, 4376, 5470, 7240, 7783, 10940, 15566, 21880, 23521, 31132, 38915, 47042, 62264, 77830, 94084, 99007, 117605, 155660, 188168, 198014, 235210, 311320, 396028, 470420, 495035, 792056, 940840, 990070, 1980140, 3960280, 4257301, 8514602, 17029204, 21286505, 34058408, 42573010, 85146020, 170292040]

約数ペア:

[(1, 170292040), (2, 85146020), (4, 42573010), (5, 34058408), (8, 21286505), (10, 17029204), (20, 8514602), (40, 4257301), (43, 3960280), (86, 1980140), (172, 990070), (181, 940840), (215, 792056), (344, 495035), (362, 470420), (430, 396028), (547, 311320), (724, 235210), (860, 198014), (905, 188168), (1094, 155660), (1448, 117605), (1720, 99007), (1810, 94084), (2188, 77830), (2735, 62264), (3620, 47042), (4376, 38915), (5470, 31132), (7240, 23521), (7783, 21880), (10940, 15566)]