72891790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{13229}}^1$

素因数の和:13284

約数の個数: 32

約数和(自身を含む): 142884000

約数和(自身を除く): 69992210

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 5510, 13229, 26458, 66145, 132290, 251351, 383641, 502702, 767282, 1256755, 1918205, 2513510, 3836410, 7289179, 14578358, 36445895, 72891790]

約数ペア:

[(1, 72891790), (2, 36445895), (5, 14578358), (10, 7289179), (19, 3836410), (29, 2513510), (38, 1918205), (58, 1256755), (95, 767282), (145, 502702), (190, 383641), (290, 251351), (551, 132290), (1102, 66145), (2755, 26458), (5510, 13229)]