836920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{61}}^1$

素因数の和:93

約数の個数: 64

約数和(自身を含む): 2232000

約数和(自身を除く): 1395080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 61, 70, 98, 122, 140, 196, 244, 245, 280, 305, 343, 392, 427, 488, 490, 610, 686, 854, 980, 1220, 1372, 1708, 1715, 1960, 2135, 2440, 2744, 2989, 3416, 3430, 4270, 5978, 6860, 8540, 11956, 13720, 14945, 17080, 20923, 23912, 29890, 41846, 59780, 83692, 104615, 119560, 167384, 209230, 418460, 836920]

約数ペア:

[(1, 836920), (2, 418460), (4, 209230), (5, 167384), (7, 119560), (8, 104615), (10, 83692), (14, 59780), (20, 41846), (28, 29890), (35, 23912), (40, 20923), (49, 17080), (56, 14945), (61, 13720), (70, 11956), (98, 8540), (122, 6860), (140, 5978), (196, 4270), (244, 3430), (245, 3416), (280, 2989), (305, 2744), (343, 2440), (392, 2135), (427, 1960), (488, 1715), (490, 1708), (610, 1372), (686, 1220), (854, 980)]