71026220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 155584800

約数和(自身を除く): 84558580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 881, 1390, 1762, 2780, 3524, 4031, 4405, 8062, 8810, 16124, 17620, 20155, 25549, 40310, 51098, 80620, 102196, 122459, 127745, 244918, 255490, 489836, 510980, 612295, 1224590, 2449180, 3551311, 7102622, 14205244, 17756555, 35513110, 71026220]

約数ペア:

[(1, 71026220), (2, 35513110), (4, 17756555), (5, 14205244), (10, 7102622), (20, 3551311), (29, 2449180), (58, 1224590), (116, 612295), (139, 510980), (145, 489836), (278, 255490), (290, 244918), (556, 127745), (580, 122459), (695, 102196), (881, 80620), (1390, 51098), (1762, 40310), (2780, 25549), (3524, 20155), (4031, 17620), (4405, 16124), (8062, 8810)]