142408900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{16001}}^1$

素因数の和:16104

約数の個数: 36

約数和(自身を含む): 312519060

約数和(自身を除く): 170110160

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2225, 4450, 8900, 16001, 32002, 64004, 80005, 160010, 320020, 400025, 800050, 1424089, 1600100, 2848178, 5696356, 7120445, 14240890, 28481780, 35602225, 71204450, 142408900]

約数ペア:

[(1, 142408900), (2, 71204450), (4, 35602225), (5, 28481780), (10, 14240890), (20, 7120445), (25, 5696356), (50, 2848178), (89, 1600100), (100, 1424089), (178, 800050), (356, 400025), (445, 320020), (890, 160010), (1780, 80005), (2225, 64004), (4450, 32002), (8900, 16001)]