221915120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{56611}}^1$

素因数の和:56638

約数の個数: 60

約数和(自身を含む): 600200424

約数和(自身を除く): 378285304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 56611, 113222, 226444, 283055, 396277, 452888, 566110, 792554, 905776, 1132220, 1585108, 1981385, 2264440, 2773939, 3170216, 3962770, 4528880, 5547878, 6340432, 7925540, 11095756, 13869695, 15851080, 22191512, 27739390, 31702160, 44383024, 55478780, 110957560, 221915120]

約数ペア:

[(1, 221915120), (2, 110957560), (4, 55478780), (5, 44383024), (7, 31702160), (8, 27739390), (10, 22191512), (14, 15851080), (16, 13869695), (20, 11095756), (28, 7925540), (35, 6340432), (40, 5547878), (49, 4528880), (56, 3962770), (70, 3170216), (80, 2773939), (98, 2264440), (112, 1981385), (140, 1585108), (196, 1132220), (245, 905776), (280, 792554), (392, 566110), (490, 452888), (560, 396277), (784, 283055), (980, 226444), (1960, 113222), (3920, 56611)]