1321300

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 36

約数和(自身を含む): 2922556

約数和(自身を除く): 1601256

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 146, 181, 292, 362, 365, 724, 730, 905, 1460, 1810, 1825, 3620, 3650, 4525, 7300, 9050, 13213, 18100, 26426, 52852, 66065, 132130, 264260, 330325, 660650, 1321300]

約数ペア:

[(1, 1321300), (2, 660650), (4, 330325), (5, 264260), (10, 132130), (20, 66065), (25, 52852), (50, 26426), (73, 18100), (100, 13213), (146, 9050), (181, 7300), (292, 4525), (362, 3650), (365, 3620), (724, 1825), (730, 1810), (905, 1460)]