148020020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{25609}}^1$

素因数の和:25652

約数の個数: 36

約数和(自身を含む): 330215340

約数和(自身を除く): 182195320

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 25609, 51218, 102436, 128045, 256090, 435353, 512180, 870706, 1741412, 2176765, 4353530, 7401001, 8707060, 14802002, 29604004, 37005005, 74010010, 148020020]

約数ペア:

[(1, 148020020), (2, 74010010), (4, 37005005), (5, 29604004), (10, 14802002), (17, 8707060), (20, 7401001), (34, 4353530), (68, 2176765), (85, 1741412), (170, 870706), (289, 512180), (340, 435353), (578, 256090), (1156, 128045), (1445, 102436), (2890, 51218), (5780, 25609)]