209978160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{124987}}^1$

素因数の和:125010

約数の個数: 80

約数和(自身を含む): 743928576

約数和(自身を除く): 533950416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 124987, 249974, 374961, 499948, 624935, 749922, 874909, 999896, 1249870, 1499844, 1749818, 1874805, 1999792, 2499740, 2624727, 2999688, 3499636, 3749610, 4374545, 4999480, 5249454, 5999376, 6999272, 7499220, 8749090, 9998960, 10498908, 13123635, 13998544, 14998440, 17498180, 20997816, 26247270, 29996880, 34996360, 41995632, 52494540, 69992720, 104989080, 209978160]

約数ペア:

[(1, 209978160), (2, 104989080), (3, 69992720), (4, 52494540), (5, 41995632), (6, 34996360), (7, 29996880), (8, 26247270), (10, 20997816), (12, 17498180), (14, 14998440), (15, 13998544), (16, 13123635), (20, 10498908), (21, 9998960), (24, 8749090), (28, 7499220), (30, 6999272), (35, 5999376), (40, 5249454), (42, 4999480), (48, 4374545), (56, 3749610), (60, 3499636), (70, 2999688), (80, 2624727), (84, 2499740), (105, 1999792), (112, 1874805), (120, 1749818), (140, 1499844), (168, 1249870), (210, 999896), (240, 874909), (280, 749922), (336, 624935), (420, 499948), (560, 374961), (840, 249974), (1680, 124987)]