98817880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2539}}^1$

素因数の和:2696

約数の個数: 64

約数和(自身を含む): 256032000

約数和(自身を除く): 157214120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2539, 2780, 3892, 4865, 5078, 5560, 7784, 9730, 10156, 12695, 17773, 19460, 20312, 25390, 35546, 38920, 50780, 71092, 88865, 101560, 142184, 177730, 352921, 355460, 705842, 710920, 1411684, 1764605, 2470447, 2823368, 3529210, 4940894, 7058420, 9881788, 12352235, 14116840, 19763576, 24704470, 49408940, 98817880]

約数ペア:

[(1, 98817880), (2, 49408940), (4, 24704470), (5, 19763576), (7, 14116840), (8, 12352235), (10, 9881788), (14, 7058420), (20, 4940894), (28, 3529210), (35, 2823368), (40, 2470447), (56, 1764605), (70, 1411684), (139, 710920), (140, 705842), (278, 355460), (280, 352921), (556, 177730), (695, 142184), (973, 101560), (1112, 88865), (1390, 71092), (1946, 50780), (2539, 38920), (2780, 35546), (3892, 25390), (4865, 20312), (5078, 19460), (5560, 17773), (7784, 12695), (9730, 10156)]