266814940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1905821}}^1$

素因数の和:1905837

約数の個数: 24

約数和(自身を含む): 640356192

約数和(自身を除く): 373541252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1905821, 3811642, 7623284, 9529105, 13340747, 19058210, 26681494, 38116420, 53362988, 66703735, 133407470, 266814940]

約数ペア:

[(1, 266814940), (2, 133407470), (4, 66703735), (5, 53362988), (7, 38116420), (10, 26681494), (14, 19058210), (20, 13340747), (28, 9529105), (35, 7623284), (70, 3811642), (140, 1905821)]