221490230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{74077}}^1$

素因数の和:74120

約数の個数: 32

約数和(自身を含む): 448023744

約数和(自身を除く): 226533514

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 74077, 148154, 370385, 740770, 963001, 1703771, 1926002, 3407542, 4815005, 8518855, 9630010, 17037710, 22149023, 44298046, 110745115, 221490230]

約数ペア:

[(1, 221490230), (2, 110745115), (5, 44298046), (10, 22149023), (13, 17037710), (23, 9630010), (26, 8518855), (46, 4815005), (65, 3407542), (115, 1926002), (130, 1703771), (230, 963001), (299, 740770), (598, 370385), (1495, 148154), (2990, 74077)]