745745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 1209600

約数和(自身を除く): 463855

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 149, 385, 455, 715, 745, 1001, 1043, 1639, 1937, 5005, 5215, 8195, 9685, 11473, 13559, 21307, 57365, 67795, 106535, 149149, 745745]

約数ペア:

[(1, 745745), (5, 149149), (7, 106535), (11, 67795), (13, 57365), (35, 21307), (55, 13559), (65, 11473), (77, 9685), (91, 8195), (143, 5215), (149, 5005), (385, 1937), (455, 1639), (715, 1043), (745, 1001)]