17790220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1531}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 43239168

約数和(自身を除く): 25448948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1531, 1660, 2324, 2905, 3062, 5810, 6124, 7655, 10717, 11620, 15310, 21434, 30620, 42868, 53585, 107170, 127073, 214340, 254146, 508292, 635365, 889511, 1270730, 1779022, 2541460, 3558044, 4447555, 8895110, 17790220]

約数ペア:

[(1, 17790220), (2, 8895110), (4, 4447555), (5, 3558044), (7, 2541460), (10, 1779022), (14, 1270730), (20, 889511), (28, 635365), (35, 508292), (70, 254146), (83, 214340), (140, 127073), (166, 107170), (332, 53585), (415, 42868), (581, 30620), (830, 21434), (1162, 15310), (1531, 11620), (1660, 10717), (2324, 7655), (2905, 6124), (3062, 5810)]