78972770

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 144322560

約数和(自身を除く): 65349790

約数列:

[1, 2, 5, 10, 173, 191, 239, 346, 382, 478, 865, 955, 1195, 1730, 1910, 2390, 33043, 41347, 45649, 66086, 82694, 91298, 165215, 206735, 228245, 330430, 413470, 456490, 7897277, 15794554, 39486385, 78972770]

約数ペア:

[(1, 78972770), (2, 39486385), (5, 15794554), (10, 7897277), (173, 456490), (191, 413470), (239, 330430), (346, 228245), (382, 206735), (478, 165215), (865, 91298), (955, 82694), (1195, 66086), (1730, 45649), (1910, 41347), (2390, 33043)]