310010140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 731566080

約数和(自身を除く): 421555940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 89, 110, 142, 178, 220, 223, 284, 355, 356, 445, 446, 710, 781, 890, 892, 979, 1115, 1420, 1562, 1780, 1958, 2230, 2453, 3124, 3905, 3916, 4460, 4895, 4906, 6319, 7810, 9790, 9812, 12265, 12638, 15620, 15833, 19580, 19847, 24530, 25276, 31595, 31666, 39694, 49060, 63190, 63332, 69509, 79165, 79388, 99235, 126380, 139018, 158330, 174163, 198470, 218317, 278036, 316660, 347545, 348326, 396940, 436634, 695090, 696652, 870815, 873268, 1091585, 1390180, 1409137, 1741630, 2183170, 2818274, 3483260, 4366340, 5636548, 7045685, 14091370, 15500507, 28182740, 31001014, 62002028, 77502535, 155005070, 310010140]

約数ペア:

[(1, 310010140), (2, 155005070), (4, 77502535), (5, 62002028), (10, 31001014), (11, 28182740), (20, 15500507), (22, 14091370), (44, 7045685), (55, 5636548), (71, 4366340), (89, 3483260), (110, 2818274), (142, 2183170), (178, 1741630), (220, 1409137), (223, 1390180), (284, 1091585), (355, 873268), (356, 870815), (445, 696652), (446, 695090), (710, 436634), (781, 396940), (890, 348326), (892, 347545), (979, 316660), (1115, 278036), (1420, 218317), (1562, 198470), (1780, 174163), (1958, 158330), (2230, 139018), (2453, 126380), (3124, 99235), (3905, 79388), (3916, 79165), (4460, 69509), (4895, 63332), (4906, 63190), (6319, 49060), (7810, 39694), (9790, 31666), (9812, 31595), (12265, 25276), (12638, 24530), (15620, 19847), (15833, 19580)]