672280

素因数分解:

$2^3\times 5^1\times 7^5$

素因数の和:46

約数の個数: 48

約数和(自身を含む): 1764720

約数和(自身を除く): 1092440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2401, 2744, 3430, 4802, 6860, 9604, 12005, 13720, 16807, 19208, 24010, 33614, 48020, 67228, 84035, 96040, 134456, 168070, 336140, 672280]

約数ペア:

[(1, 672280), (2, 336140), (4, 168070), (5, 134456), (7, 96040), (8, 84035), (10, 67228), (14, 48020), (20, 33614), (28, 24010), (35, 19208), (40, 16807), (49, 13720), (56, 12005), (70, 9604), (98, 6860), (140, 4802), (196, 3430), (245, 2744), (280, 2401), (343, 1960), (392, 1715), (490, 1372), (686, 980)]