2017421420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{3881}}^1$

素因数の和:4023

約数の個数: 96

約数和(自身を含む): 5008711680

約数和(自身を除く): 2991290260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 79, 94, 140, 158, 188, 235, 316, 329, 395, 470, 553, 658, 790, 940, 1106, 1316, 1580, 1645, 2212, 2765, 3290, 3713, 3881, 5530, 6580, 7426, 7762, 11060, 14852, 15524, 18565, 19405, 25991, 27167, 37130, 38810, 51982, 54334, 74260, 77620, 103964, 108668, 129955, 135835, 182407, 259910, 271670, 306599, 364814, 519820, 543340, 613198, 729628, 912035, 1226396, 1276849, 1532995, 1824070, 2146193, 2553698, 3065990, 3648140, 4292386, 5107396, 6131980, 6384245, 8584772, 10730965, 12768490, 14410153, 21461930, 25536980, 28820306, 42923860, 57640612, 72050765, 100871071, 144101530, 201742142, 288203060, 403484284, 504355355, 1008710710, 2017421420]

約数ペア:

[(1, 2017421420), (2, 1008710710), (4, 504355355), (5, 403484284), (7, 288203060), (10, 201742142), (14, 144101530), (20, 100871071), (28, 72050765), (35, 57640612), (47, 42923860), (70, 28820306), (79, 25536980), (94, 21461930), (140, 14410153), (158, 12768490), (188, 10730965), (235, 8584772), (316, 6384245), (329, 6131980), (395, 5107396), (470, 4292386), (553, 3648140), (658, 3065990), (790, 2553698), (940, 2146193), (1106, 1824070), (1316, 1532995), (1580, 1276849), (1645, 1226396), (2212, 912035), (2765, 729628), (3290, 613198), (3713, 543340), (3881, 519820), (5530, 364814), (6580, 306599), (7426, 271670), (7762, 259910), (11060, 182407), (14852, 135835), (15524, 129955), (18565, 108668), (19405, 103964), (25991, 77620), (27167, 74260), (37130, 54334), (38810, 51982)]