2019809660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{94649}}^1$

素因数の和:94766

約数の個数: 48

約数和(自身を含む): 4674952800

約数和(自身を除く): 2655143140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 5335, 10670, 21340, 94649, 189298, 378596, 473245, 946490, 1041139, 1892980, 2082278, 4164556, 5205695, 9180953, 10411390, 18361906, 20822780, 36723812, 45904765, 91809530, 100990483, 183619060, 201980966, 403961932, 504952415, 1009904830, 2019809660]

約数ペア:

[(1, 2019809660), (2, 1009904830), (4, 504952415), (5, 403961932), (10, 201980966), (11, 183619060), (20, 100990483), (22, 91809530), (44, 45904765), (55, 36723812), (97, 20822780), (110, 18361906), (194, 10411390), (220, 9180953), (388, 5205695), (485, 4164556), (970, 2082278), (1067, 1892980), (1940, 1041139), (2134, 946490), (4268, 473245), (5335, 378596), (10670, 189298), (21340, 94649)]