287327300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{221021}}^1$

素因数の和:221048

約数の個数: 36

約数和(自身を含む): 671464836

約数和(自身を除く): 384137536

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 221021, 442042, 884084, 1105105, 2210210, 2873273, 4420420, 5525525, 5746546, 11051050, 11493092, 14366365, 22102100, 28732730, 57465460, 71831825, 143663650, 287327300]

約数ペア:

[(1, 287327300), (2, 143663650), (4, 71831825), (5, 57465460), (10, 28732730), (13, 22102100), (20, 14366365), (25, 11493092), (26, 11051050), (50, 5746546), (52, 5525525), (65, 4420420), (100, 2873273), (130, 2210210), (260, 1105105), (325, 884084), (650, 442042), (1300, 221021)]