7139400920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{20873}}^1$

素因数の和:21404

約数の個数: 64

約数和(自身を含む): 17043203520

約数和(自身を除く): 9903802600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 503, 680, 1006, 2012, 2515, 4024, 5030, 8551, 10060, 17102, 20120, 20873, 34204, 41746, 42755, 68408, 83492, 85510, 104365, 166984, 171020, 208730, 342040, 354841, 417460, 709682, 834920, 1419364, 1774205, 2838728, 3548410, 7096820, 10499119, 14193640, 20998238, 41996476, 52495595, 83992952, 104991190, 178485023, 209982380, 356970046, 419964760, 713940092, 892425115, 1427880184, 1784850230, 3569700460, 7139400920]

約数ペア:

[(1, 7139400920), (2, 3569700460), (4, 1784850230), (5, 1427880184), (8, 892425115), (10, 713940092), (17, 419964760), (20, 356970046), (34, 209982380), (40, 178485023), (68, 104991190), (85, 83992952), (136, 52495595), (170, 41996476), (340, 20998238), (503, 14193640), (680, 10499119), (1006, 7096820), (2012, 3548410), (2515, 2838728), (4024, 1774205), (5030, 1419364), (8551, 834920), (10060, 709682), (17102, 417460), (20120, 354841), (20873, 342040), (34204, 208730), (41746, 171020), (42755, 166984), (68408, 104365), (83492, 85510)]