67717900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1291

約数の個数: 72

約数和(自身を含む): 160146000

約数和(自身を除く): 92428100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 145, 190, 290, 380, 475, 551, 580, 725, 950, 1102, 1229, 1450, 1900, 2204, 2458, 2755, 2900, 4916, 5510, 6145, 11020, 12290, 13775, 23351, 24580, 27550, 30725, 35641, 46702, 55100, 61450, 71282, 93404, 116755, 122900, 142564, 178205, 233510, 356410, 467020, 583775, 677179, 712820, 891025, 1167550, 1354358, 1782050, 2335100, 2708716, 3385895, 3564100, 6771790, 13543580, 16929475, 33858950, 67717900]

約数ペア:

[(1, 67717900), (2, 33858950), (4, 16929475), (5, 13543580), (10, 6771790), (19, 3564100), (20, 3385895), (25, 2708716), (29, 2335100), (38, 1782050), (50, 1354358), (58, 1167550), (76, 891025), (95, 712820), (100, 677179), (116, 583775), (145, 467020), (190, 356410), (290, 233510), (380, 178205), (475, 142564), (551, 122900), (580, 116755), (725, 93404), (950, 71282), (1102, 61450), (1229, 55100), (1450, 46702), (1900, 35641), (2204, 30725), (2458, 27550), (2755, 24580), (2900, 23351), (4916, 13775), (5510, 12290), (6145, 11020)]