313618180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 725760000

約数和(自身を除く): 412141820

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 149, 190, 191, 290, 298, 380, 382, 551, 580, 596, 745, 764, 955, 1102, 1490, 1910, 2204, 2755, 2831, 2980, 3629, 3820, 4321, 5510, 5539, 5662, 7258, 8642, 11020, 11078, 11324, 14155, 14516, 17284, 18145, 21605, 22156, 27695, 28310, 28459, 36290, 43210, 55390, 56620, 56918, 72580, 82099, 86420, 105241, 110780, 113836, 142295, 164198, 210482, 284590, 328396, 410495, 420964, 526205, 540721, 569180, 820990, 825311, 1052410, 1081442, 1641980, 1650622, 2104820, 2162884, 2703605, 3301244, 4126555, 5407210, 8253110, 10814420, 15680909, 16506220, 31361818, 62723636, 78404545, 156809090, 313618180]

約数ペア:

[(1, 313618180), (2, 156809090), (4, 78404545), (5, 62723636), (10, 31361818), (19, 16506220), (20, 15680909), (29, 10814420), (38, 8253110), (58, 5407210), (76, 4126555), (95, 3301244), (116, 2703605), (145, 2162884), (149, 2104820), (190, 1650622), (191, 1641980), (290, 1081442), (298, 1052410), (380, 825311), (382, 820990), (551, 569180), (580, 540721), (596, 526205), (745, 420964), (764, 410495), (955, 328396), (1102, 284590), (1490, 210482), (1910, 164198), (2204, 142295), (2755, 113836), (2831, 110780), (2980, 105241), (3629, 86420), (3820, 82099), (4321, 72580), (5510, 56918), (5539, 56620), (5662, 55390), (7258, 43210), (8642, 36290), (11020, 28459), (11078, 28310), (11324, 27695), (14155, 22156), (14516, 21605), (17284, 18145)]