205420450

素因数分解:

$2^1\times 5^2\times {\mathrm{1511}}^1\times {\mathrm{2719}}^1$

素因数の和:4242

約数の個数: 24

約数和(自身を含む): 382475520

約数和(自身を除く): 177055070

約数列:

[1, 2, 5, 10, 25, 50, 1511, 2719, 3022, 5438, 7555, 13595, 15110, 27190, 37775, 67975, 75550, 135950, 4108409, 8216818, 20542045, 41084090, 102710225, 205420450]

約数ペア:

[(1, 205420450), (2, 102710225), (5, 41084090), (10, 20542045), (25, 8216818), (50, 4108409), (1511, 135950), (2719, 75550), (3022, 67975), (5438, 37775), (7555, 27190), (13595, 15110)]