177753020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{1213}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 396482688

約数和(自身を除く): 218729668

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 431, 862, 1213, 1724, 2155, 2426, 4310, 4852, 6065, 7327, 8620, 12130, 14654, 20621, 24260, 29308, 36635, 41242, 73270, 82484, 103105, 146540, 206210, 412420, 522803, 1045606, 2091212, 2614015, 5228030, 8887651, 10456060, 17775302, 35550604, 44438255, 88876510, 177753020]

約数ペア:

[(1, 177753020), (2, 88876510), (4, 44438255), (5, 35550604), (10, 17775302), (17, 10456060), (20, 8887651), (34, 5228030), (68, 2614015), (85, 2091212), (170, 1045606), (340, 522803), (431, 412420), (862, 206210), (1213, 146540), (1724, 103105), (2155, 82484), (2426, 73270), (4310, 41242), (4852, 36635), (6065, 29308), (7327, 24260), (8620, 20621), (12130, 14654)]