203437780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{111779}}^1$

素因数の和:111808

約数の個数: 48

約数和(自身を含む): 525813120

約数和(自身を除く): 322375340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 111779, 223558, 447116, 558895, 782453, 1117790, 1453127, 1564906, 2235580, 2906254, 3129812, 3912265, 5812508, 7265635, 7824530, 10171889, 14531270, 15649060, 20343778, 29062540, 40687556, 50859445, 101718890, 203437780]

約数ペア:

[(1, 203437780), (2, 101718890), (4, 50859445), (5, 40687556), (7, 29062540), (10, 20343778), (13, 15649060), (14, 14531270), (20, 10171889), (26, 7824530), (28, 7265635), (35, 5812508), (52, 3912265), (65, 3129812), (70, 2906254), (91, 2235580), (130, 1564906), (140, 1453127), (182, 1117790), (260, 782453), (364, 558895), (455, 447116), (910, 223558), (1820, 111779)]