870859005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1370

約数の個数: 64

約数和(自身を含む): 1520640000

約数和(自身を除く): 649780995

約数列:

[1, 3, 5, 15, 23, 43, 47, 69, 115, 129, 141, 215, 235, 345, 645, 705, 989, 1081, 1249, 2021, 2967, 3243, 3747, 4945, 5405, 6063, 6245, 10105, 14835, 16215, 18735, 28727, 30315, 46483, 53707, 58703, 86181, 139449, 143635, 161121, 176109, 232415, 268535, 293515, 430905, 697245, 805605, 880545, 1235261, 1350169, 2524229, 3705783, 4050507, 6176305, 6750845, 7572687, 12621145, 18528915, 20252535, 37863435, 58057267, 174171801, 290286335, 870859005]

約数ペア:

[(1, 870859005), (3, 290286335), (5, 174171801), (15, 58057267), (23, 37863435), (43, 20252535), (47, 18528915), (69, 12621145), (115, 7572687), (129, 6750845), (141, 6176305), (215, 4050507), (235, 3705783), (345, 2524229), (645, 1350169), (705, 1235261), (989, 880545), (1081, 805605), (1249, 697245), (2021, 430905), (2967, 293515), (3243, 268535), (3747, 232415), (4945, 176109), (5405, 161121), (6063, 143635), (6245, 139449), (10105, 86181), (14835, 58703), (16215, 53707), (18735, 46483), (28727, 30315)]