1697020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 3937248

約数和(自身を除く): 2240228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 107, 122, 130, 214, 244, 260, 305, 428, 535, 610, 793, 1070, 1220, 1391, 1586, 2140, 2782, 3172, 3965, 5564, 6527, 6955, 7930, 13054, 13910, 15860, 26108, 27820, 32635, 65270, 84851, 130540, 169702, 339404, 424255, 848510, 1697020]

約数ペア:

[(1, 1697020), (2, 848510), (4, 424255), (5, 339404), (10, 169702), (13, 130540), (20, 84851), (26, 65270), (52, 32635), (61, 27820), (65, 26108), (107, 15860), (122, 13910), (130, 13054), (214, 7930), (244, 6955), (260, 6527), (305, 5564), (428, 3965), (535, 3172), (610, 2782), (793, 2140), (1070, 1586), (1220, 1391)]