5220215

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 8618400

約数和(自身を除く): 3398185

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 143, 149, 245, 385, 455, 539, 637, 715, 745, 1001, 1043, 1639, 1937, 2695, 3185, 5005, 5215, 7007, 7301, 8195, 9685, 11473, 13559, 21307, 35035, 36505, 57365, 67795, 80311, 94913, 106535, 149149, 401555, 474565, 745745, 1044043, 5220215]

約数ペア:

[(1, 5220215), (5, 1044043), (7, 745745), (11, 474565), (13, 401555), (35, 149149), (49, 106535), (55, 94913), (65, 80311), (77, 67795), (91, 57365), (143, 36505), (149, 35035), (245, 21307), (385, 13559), (455, 11473), (539, 9685), (637, 8195), (715, 7301), (745, 7007), (1001, 5215), (1043, 5005), (1639, 3185), (1937, 2695)]