919927540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{36709}}^1$

素因数の和:36904

約数の個数: 48

約数和(自身を含む): 2220220800

約数和(自身を除く): 1300293260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3580, 5012, 6265, 12530, 25060, 36709, 73418, 146836, 183545, 256963, 367090, 513926, 734180, 1027852, 1284815, 2569630, 5139260, 6570911, 13141822, 26283644, 32854555, 45996377, 65709110, 91992754, 131418220, 183985508, 229981885, 459963770, 919927540]

約数ペア:

[(1, 919927540), (2, 459963770), (4, 229981885), (5, 183985508), (7, 131418220), (10, 91992754), (14, 65709110), (20, 45996377), (28, 32854555), (35, 26283644), (70, 13141822), (140, 6570911), (179, 5139260), (358, 2569630), (716, 1284815), (895, 1027852), (1253, 734180), (1790, 513926), (2506, 367090), (3580, 256963), (5012, 183545), (6265, 146836), (12530, 73418), (25060, 36709)]