281260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{41}}^1$

素因数の和:71

約数の個数: 48

約数和(自身を含む): 705600

約数和(自身を除く): 424340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 343, 410, 490, 574, 686, 820, 980, 1148, 1372, 1435, 1715, 2009, 2870, 3430, 4018, 5740, 6860, 8036, 10045, 14063, 20090, 28126, 40180, 56252, 70315, 140630, 281260]

約数ペア:

[(1, 281260), (2, 140630), (4, 70315), (5, 56252), (7, 40180), (10, 28126), (14, 20090), (20, 14063), (28, 10045), (35, 8036), (41, 6860), (49, 5740), (70, 4018), (82, 3430), (98, 2870), (140, 2009), (164, 1715), (196, 1435), (205, 1372), (245, 1148), (287, 980), (343, 820), (410, 686), (490, 574)]