68443600

素因数分解:

$2^4\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1388

約数の個数: 60

約数和(自身を含む): 165753280

約数和(自身を除く): 97309680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 139, 200, 278, 400, 556, 695, 1112, 1231, 1390, 2224, 2462, 2780, 3475, 4924, 5560, 6155, 6950, 9848, 11120, 12310, 13900, 19696, 24620, 27800, 30775, 49240, 55600, 61550, 98480, 123100, 171109, 246200, 342218, 492400, 684436, 855545, 1368872, 1711090, 2737744, 3422180, 4277725, 6844360, 8555450, 13688720, 17110900, 34221800, 68443600]

約数ペア:

[(1, 68443600), (2, 34221800), (4, 17110900), (5, 13688720), (8, 8555450), (10, 6844360), (16, 4277725), (20, 3422180), (25, 2737744), (40, 1711090), (50, 1368872), (80, 855545), (100, 684436), (139, 492400), (200, 342218), (278, 246200), (400, 171109), (556, 123100), (695, 98480), (1112, 61550), (1231, 55600), (1390, 49240), (2224, 30775), (2462, 27800), (2780, 24620), (3475, 19696), (4924, 13900), (5560, 12310), (6155, 11120), (6950, 9848)]