490890307540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2551}}^1\times {\mathrm{99191}}^1$

素因数の和:101848

約数の個数: 48

約数和(自身を含む): 1041915942144

約数和(自身を除く): 551025634604

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 2551, 5102, 10204, 12755, 25510, 51020, 99191, 198382, 247447, 396764, 494894, 495955, 989788, 991910, 1237235, 1983820, 2474470, 4948940, 9621527, 19243054, 38486108, 48107635, 96215270, 192430540, 253036241, 506072482, 1012144964, 1265181205, 2530362410, 5060724820, 24544515377, 49089030754, 98178061508, 122722576885, 245445153770, 490890307540]

約数ペア:

[(1, 490890307540), (2, 245445153770), (4, 122722576885), (5, 98178061508), (10, 49089030754), (20, 24544515377), (97, 5060724820), (194, 2530362410), (388, 1265181205), (485, 1012144964), (970, 506072482), (1940, 253036241), (2551, 192430540), (5102, 96215270), (10204, 48107635), (12755, 38486108), (25510, 19243054), (51020, 9621527), (99191, 4948940), (198382, 2474470), (247447, 1983820), (396764, 1237235), (494894, 991910), (495955, 989788)]