520320890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{2803}}^1$

素因数の和:3806

約数の個数: 32

約数和(自身を含む): 987232320

約数和(自身を除く): 466911430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 977, 1954, 2803, 4885, 5606, 9770, 14015, 18563, 28030, 37126, 53257, 92815, 106514, 185630, 266285, 532570, 2738531, 5477062, 13692655, 27385310, 52032089, 104064178, 260160445, 520320890]

約数ペア:

[(1, 520320890), (2, 260160445), (5, 104064178), (10, 52032089), (19, 27385310), (38, 13692655), (95, 5477062), (190, 2738531), (977, 532570), (1954, 266285), (2803, 185630), (4885, 106514), (5606, 92815), (9770, 53257), (14015, 37126), (18563, 28030)]