201898943380

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{25951021}}^1$

素因数の和:25951419

約数の個数: 24

約数和(自身を含む): 425077740360

約数和(自身を除く): 223178796980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 25951021, 51902042, 103804084, 129755105, 259510210, 519020420, 10094947169, 20189894338, 40379788676, 50474735845, 100949471690, 201898943380]

約数ペア:

[(1, 201898943380), (2, 100949471690), (4, 50474735845), (5, 40379788676), (10, 20189894338), (20, 10094947169), (389, 519020420), (778, 259510210), (1556, 129755105), (1945, 103804084), (3890, 51902042), (7780, 25951021)]