25172770

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 29259230

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 179, 205, 245, 287, 343, 358, 410, 490, 574, 686, 895, 1253, 1435, 1715, 1790, 2009, 2506, 2870, 3430, 4018, 6265, 7339, 8771, 10045, 12530, 14063, 14678, 17542, 20090, 28126, 36695, 43855, 51373, 61397, 70315, 73390, 87710, 102746, 122794, 140630, 256865, 306985, 359611, 513730, 613970, 719222, 1798055, 2517277, 3596110, 5034554, 12586385, 25172770]

約数ペア:

[(1, 25172770), (2, 12586385), (5, 5034554), (7, 3596110), (10, 2517277), (14, 1798055), (35, 719222), (41, 613970), (49, 513730), (70, 359611), (82, 306985), (98, 256865), (179, 140630), (205, 122794), (245, 102746), (287, 87710), (343, 73390), (358, 70315), (410, 61397), (490, 51373), (574, 43855), (686, 36695), (895, 28126), (1253, 20090), (1435, 17542), (1715, 14678), (1790, 14063), (2009, 12530), (2506, 10045), (2870, 8771), (3430, 7339), (4018, 6265)]