87412190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{977}}^1$

素因数の和:1396

約数の個数: 32

約数和(自身を含む): 164773440

約数和(自身を除く): 77361250

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 389, 778, 977, 1945, 1954, 3890, 4885, 8947, 9770, 17894, 22471, 44735, 44942, 89470, 112355, 224710, 380053, 760106, 1900265, 3800530, 8741219, 17482438, 43706095, 87412190]

約数ペア:

[(1, 87412190), (2, 43706095), (5, 17482438), (10, 8741219), (23, 3800530), (46, 1900265), (115, 760106), (230, 380053), (389, 224710), (778, 112355), (977, 89470), (1945, 44942), (1954, 44735), (3890, 22471), (4885, 17894), (8947, 9770)]