738144490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1\times {\mathrm{4001}}^1$

素因数の和:4998

約数の個数: 32

約数和(自身を含む): 1400379840

約数和(自身を除く): 662235350

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 971, 1942, 4001, 4855, 8002, 9710, 18449, 20005, 36898, 40010, 76019, 92245, 152038, 184490, 380095, 760190, 3884971, 7769942, 19424855, 38849710, 73814449, 147628898, 369072245, 738144490]

約数ペア:

[(1, 738144490), (2, 369072245), (5, 147628898), (10, 73814449), (19, 38849710), (38, 19424855), (95, 7769942), (190, 3884971), (971, 760190), (1942, 380095), (4001, 184490), (4855, 152038), (8002, 92245), (9710, 76019), (18449, 40010), (20005, 36898)]