31820778940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4729}}^1\times {\mathrm{10853}}^1$

素因数の和:15622

約数の個数: 48

約数和(自身を含む): 69000180480

約数和(自身を除く): 37179401540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4729, 9458, 10853, 18916, 21706, 23645, 43412, 47290, 54265, 94580, 108530, 146599, 217060, 293198, 336443, 586396, 672886, 732995, 1345772, 1465990, 1682215, 2931980, 3364430, 6728860, 51323837, 102647674, 205295348, 256619185, 513238370, 1026476740, 1591038947, 3182077894, 6364155788, 7955194735, 15910389470, 31820778940]

約数ペア:

[(1, 31820778940), (2, 15910389470), (4, 7955194735), (5, 6364155788), (10, 3182077894), (20, 1591038947), (31, 1026476740), (62, 513238370), (124, 256619185), (155, 205295348), (310, 102647674), (620, 51323837), (4729, 6728860), (9458, 3364430), (10853, 2931980), (18916, 1682215), (21706, 1465990), (23645, 1345772), (43412, 732995), (47290, 672886), (54265, 586396), (94580, 336443), (108530, 293198), (146599, 217060)]