205223860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{2339}}^1$

素因数の和:2496

約数の個数: 48

約数和(自身を含む): 445798080

約数和(自身を除く): 240574220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 107, 164, 205, 214, 410, 428, 535, 820, 1070, 2140, 2339, 4387, 4678, 8774, 9356, 11695, 17548, 21935, 23390, 43870, 46780, 87740, 95899, 191798, 250273, 383596, 479495, 500546, 958990, 1001092, 1251365, 1917980, 2502730, 5005460, 10261193, 20522386, 41044772, 51305965, 102611930, 205223860]

約数ペア:

[(1, 205223860), (2, 102611930), (4, 51305965), (5, 41044772), (10, 20522386), (20, 10261193), (41, 5005460), (82, 2502730), (107, 1917980), (164, 1251365), (205, 1001092), (214, 958990), (410, 500546), (428, 479495), (535, 383596), (820, 250273), (1070, 191798), (2140, 95899), (2339, 87740), (4387, 46780), (4678, 43870), (8774, 23390), (9356, 21935), (11695, 17548)]