201397990

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{90313}}^1$

素因数の和:90543

約数の個数: 16

約数和(自身を含む): 364146048

約数和(自身を除く): 162748058

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 90313, 180626, 451565, 903130, 20139799, 40279598, 100698995, 201397990]

約数ペア:

[(1, 201397990), (2, 100698995), (5, 40279598), (10, 20139799), (223, 903130), (446, 451565), (1115, 180626), (2230, 90313)]