418460

素因数分解:

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

素因数の和:91

約数の個数: 48

約数和(自身を含む): 1041600

約数和(自身を除く): 623140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 343, 427, 490, 610, 686, 854, 980, 1220, 1372, 1708, 1715, 2135, 2989, 3430, 4270, 5978, 6860, 8540, 11956, 14945, 20923, 29890, 41846, 59780, 83692, 104615, 209230, 418460]

約数ペア:

[(1, 418460), (2, 209230), (4, 104615), (5, 83692), (7, 59780), (10, 41846), (14, 29890), (20, 20923), (28, 14945), (35, 11956), (49, 8540), (61, 6860), (70, 5978), (98, 4270), (122, 3430), (140, 2989), (196, 2135), (244, 1715), (245, 1708), (305, 1372), (343, 1220), (427, 980), (490, 854), (610, 686)]