69930820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 150433920

約数和(自身を除く): 80503100

約数列:

[1, 2, 4, 5, 10, 20, 83, 103, 166, 206, 332, 409, 412, 415, 515, 818, 830, 1030, 1636, 1660, 2045, 2060, 4090, 8180, 8549, 17098, 33947, 34196, 42127, 42745, 67894, 84254, 85490, 135788, 168508, 169735, 170980, 210635, 339470, 421270, 678940, 842540, 3496541, 6993082, 13986164, 17482705, 34965410, 69930820]

約数ペア:

[(1, 69930820), (2, 34965410), (4, 17482705), (5, 13986164), (10, 6993082), (20, 3496541), (83, 842540), (103, 678940), (166, 421270), (206, 339470), (332, 210635), (409, 170980), (412, 169735), (415, 168508), (515, 135788), (818, 85490), (830, 84254), (1030, 67894), (1636, 42745), (1660, 42127), (2045, 34196), (2060, 33947), (4090, 17098), (8180, 8549)]