201280243900

素因数分解:

$2^2\times 5^2\times {\mathrm{4049}}^1\times {\mathrm{497111}}^1$

素因数の和:501174

約数の個数: 36

約数和(自身を含む): 436886881200

約数和(自身を除く): 235606637300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 4049, 8098, 16196, 20245, 40490, 80980, 101225, 202450, 404900, 497111, 994222, 1988444, 2485555, 4971110, 9942220, 12427775, 24855550, 49711100, 2012802439, 4025604878, 8051209756, 10064012195, 20128024390, 40256048780, 50320060975, 100640121950, 201280243900]

約数ペア:

[(1, 201280243900), (2, 100640121950), (4, 50320060975), (5, 40256048780), (10, 20128024390), (20, 10064012195), (25, 8051209756), (50, 4025604878), (100, 2012802439), (4049, 49711100), (8098, 24855550), (16196, 12427775), (20245, 9942220), (40490, 4971110), (80980, 2485555), (101225, 1988444), (202450, 994222), (404900, 497111)]