207645340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{30269}}^1$

素因数の和:30299

約数の個数: 48

約数和(自身を含む): 508536000

約数和(自身を除く): 300890660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 30269, 60538, 121076, 151345, 211883, 302690, 423766, 605380, 847532, 1059415, 1483181, 2118830, 2966362, 4237660, 5932724, 7415905, 10382267, 14831810, 20764534, 29663620, 41529068, 51911335, 103822670, 207645340]

約数ペア:

[(1, 207645340), (2, 103822670), (4, 51911335), (5, 41529068), (7, 29663620), (10, 20764534), (14, 14831810), (20, 10382267), (28, 7415905), (35, 5932724), (49, 4237660), (70, 2966362), (98, 2118830), (140, 1483181), (196, 1059415), (245, 847532), (343, 605380), (490, 423766), (686, 302690), (980, 211883), (1372, 151345), (1715, 121076), (3430, 60538), (6860, 30269)]