198434680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{2683}}^1$

素因数の和:2780

約数の個数: 48

約数和(自身を含む): 457273080

約数和(自身を除く): 258838400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1849, 2683, 3698, 5366, 7396, 9245, 10732, 13415, 14792, 18490, 21464, 26830, 36980, 53660, 73960, 107320, 115369, 230738, 461476, 576845, 922952, 1153690, 2307380, 4614760, 4960867, 9921734, 19843468, 24804335, 39686936, 49608670, 99217340, 198434680]

約数ペア:

[(1, 198434680), (2, 99217340), (4, 49608670), (5, 39686936), (8, 24804335), (10, 19843468), (20, 9921734), (40, 4960867), (43, 4614760), (86, 2307380), (172, 1153690), (215, 922952), (344, 576845), (430, 461476), (860, 230738), (1720, 115369), (1849, 107320), (2683, 73960), (3698, 53660), (5366, 36980), (7396, 26830), (9245, 21464), (10732, 18490), (13415, 14792)]