1640190770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2237}}^1$

素因数の和:2507

約数の個数: 64

約数和(自身を含む): 3306510720

約数和(自身を除く): 1666319950

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 227, 323, 454, 646, 1135, 1615, 2237, 2270, 3230, 3859, 4313, 4474, 7718, 8626, 11185, 19295, 21565, 22370, 38029, 38590, 42503, 43130, 73321, 76058, 85006, 146642, 190145, 212515, 366605, 380290, 425030, 507799, 722551, 733210, 1015598, 1445102, 2538995, 3612755, 5077990, 7225510, 8632583, 9648181, 17265166, 19296362, 43162915, 48240905, 86325830, 96481810, 164019077, 328038154, 820095385, 1640190770]

約数ペア:

[(1, 1640190770), (2, 820095385), (5, 328038154), (10, 164019077), (17, 96481810), (19, 86325830), (34, 48240905), (38, 43162915), (85, 19296362), (95, 17265166), (170, 9648181), (190, 8632583), (227, 7225510), (323, 5077990), (454, 3612755), (646, 2538995), (1135, 1445102), (1615, 1015598), (2237, 733210), (2270, 722551), (3230, 507799), (3859, 425030), (4313, 380290), (4474, 366605), (7718, 212515), (8626, 190145), (11185, 146642), (19295, 85006), (21565, 76058), (22370, 73321), (38029, 43130), (38590, 42503)]