905329150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1277}}^1\times {\mathrm{1289}}^1$

素因数の和:2589

約数の個数: 48

約数和(自身を含む): 1839859920

約数和(自身を除く): 934530770

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 1277, 1289, 2554, 2578, 6385, 6445, 12770, 12890, 14047, 14179, 28094, 28358, 31925, 32225, 63850, 64450, 70235, 70895, 140470, 141790, 351175, 354475, 702350, 708950, 1646053, 3292106, 8230265, 16460530, 18106583, 36213166, 41151325, 82302650, 90532915, 181065830, 452664575, 905329150]

約数ペア:

[(1, 905329150), (2, 452664575), (5, 181065830), (10, 90532915), (11, 82302650), (22, 41151325), (25, 36213166), (50, 18106583), (55, 16460530), (110, 8230265), (275, 3292106), (550, 1646053), (1277, 708950), (1289, 702350), (2554, 354475), (2578, 351175), (6385, 141790), (6445, 140470), (12770, 70895), (12890, 70235), (14047, 64450), (14179, 63850), (28094, 32225), (28358, 31925)]