12710740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 30748032

約数和(自身を除く): 18037292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 557, 652, 815, 1114, 1141, 1630, 2228, 2282, 2785, 3260, 3899, 4564, 5570, 5705, 7798, 11140, 11410, 15596, 19495, 22820, 38990, 77980, 90791, 181582, 363164, 453955, 635537, 907910, 1271074, 1815820, 2542148, 3177685, 6355370, 12710740]

約数ペア:

[(1, 12710740), (2, 6355370), (4, 3177685), (5, 2542148), (7, 1815820), (10, 1271074), (14, 907910), (20, 635537), (28, 453955), (35, 363164), (70, 181582), (140, 90791), (163, 77980), (326, 38990), (557, 22820), (652, 19495), (815, 15596), (1114, 11410), (1141, 11140), (1630, 7798), (2228, 5705), (2282, 5570), (2785, 4564), (3260, 3899)]