201775820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{530989}}^1$

素因数の和:531017

約数の個数: 24

約数和(自身を含む): 446031600

約数和(自身を除く): 244255780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 530989, 1061978, 2123956, 2654945, 5309890, 10088791, 10619780, 20177582, 40355164, 50443955, 100887910, 201775820]

約数ペア:

[(1, 201775820), (2, 100887910), (4, 50443955), (5, 40355164), (10, 20177582), (19, 10619780), (20, 10088791), (38, 5309890), (76, 2654945), (95, 2123956), (190, 1061978), (380, 530989)]