129017300

素因数分解:

$2^2\times 5^2\times {\mathrm{1290173}}^1$

素因数の和:1290187

約数の個数: 18

約数和(自身を含む): 279967758

約数和(自身を除く): 150950458

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1290173, 2580346, 5160692, 6450865, 12901730, 25803460, 32254325, 64508650, 129017300]

約数ペア:

[(1, 129017300), (2, 64508650), (4, 32254325), (5, 25803460), (10, 12901730), (20, 6450865), (25, 5160692), (50, 2580346), (100, 1290173)]