29784820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1181}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 68111568

約数和(自身を除く): 38326748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1181, 1261, 1940, 2362, 2522, 4724, 5044, 5905, 6305, 11810, 12610, 15353, 23620, 25220, 30706, 61412, 76765, 114557, 153530, 229114, 307060, 458228, 572785, 1145570, 1489241, 2291140, 2978482, 5956964, 7446205, 14892410, 29784820]

約数ペア:

[(1, 29784820), (2, 14892410), (4, 7446205), (5, 5956964), (10, 2978482), (13, 2291140), (20, 1489241), (26, 1145570), (52, 572785), (65, 458228), (97, 307060), (130, 229114), (194, 153530), (260, 114557), (388, 76765), (485, 61412), (970, 30706), (1181, 25220), (1261, 23620), (1940, 15353), (2362, 12610), (2522, 11810), (4724, 6305), (5044, 5905)]