252654920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{179}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 662644800

約数和(自身を除く): 409989880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 179, 280, 284, 355, 358, 497, 568, 710, 716, 895, 994, 1253, 1420, 1432, 1790, 1988, 2485, 2506, 2840, 3580, 3976, 4970, 5012, 5041, 6265, 7160, 9940, 10024, 10082, 12530, 12709, 19880, 20164, 25060, 25205, 25418, 35287, 40328, 50120, 50410, 50836, 63545, 70574, 88963, 100820, 101672, 127090, 141148, 176435, 177926, 201640, 254180, 282296, 352870, 355852, 444815, 508360, 705740, 711704, 889630, 902339, 1411480, 1779260, 1804678, 3558520, 3609356, 4511695, 6316373, 7218712, 9023390, 12632746, 18046780, 25265492, 31581865, 36093560, 50530984, 63163730, 126327460, 252654920]

約数ペア:

[(1, 252654920), (2, 126327460), (4, 63163730), (5, 50530984), (7, 36093560), (8, 31581865), (10, 25265492), (14, 18046780), (20, 12632746), (28, 9023390), (35, 7218712), (40, 6316373), (56, 4511695), (70, 3609356), (71, 3558520), (140, 1804678), (142, 1779260), (179, 1411480), (280, 902339), (284, 889630), (355, 711704), (358, 705740), (497, 508360), (568, 444815), (710, 355852), (716, 352870), (895, 282296), (994, 254180), (1253, 201640), (1420, 177926), (1432, 176435), (1790, 141148), (1988, 127090), (2485, 101672), (2506, 100820), (2840, 88963), (3580, 70574), (3976, 63545), (4970, 50836), (5012, 50410), (5041, 50120), (6265, 40328), (7160, 35287), (9940, 25418), (10024, 25205), (10082, 25060), (12530, 20164), (12709, 19880)]