392119780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{3877}}^1$

素因数の和:4288

約数の個数: 48

約数和(自身を含む): 889302960

約数和(自身を除く): 497183180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 778, 1556, 1945, 3877, 3890, 5057, 7754, 7780, 10114, 15508, 19385, 20228, 25285, 38770, 50401, 50570, 77540, 100802, 101140, 201604, 252005, 504010, 1008020, 1508153, 3016306, 6032612, 7540765, 15081530, 19605989, 30163060, 39211978, 78423956, 98029945, 196059890, 392119780]

約数ペア:

[(1, 392119780), (2, 196059890), (4, 98029945), (5, 78423956), (10, 39211978), (13, 30163060), (20, 19605989), (26, 15081530), (52, 7540765), (65, 6032612), (130, 3016306), (260, 1508153), (389, 1008020), (778, 504010), (1556, 252005), (1945, 201604), (3877, 101140), (3890, 100802), (5057, 77540), (7754, 50570), (7780, 50401), (10114, 38770), (15508, 25285), (19385, 20228)]