2945320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 7735680

約数和(自身を除く): 4790360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 157, 268, 280, 314, 335, 469, 536, 628, 670, 785, 938, 1099, 1256, 1340, 1570, 1876, 2198, 2345, 2680, 3140, 3752, 4396, 4690, 5495, 6280, 8792, 9380, 10519, 10990, 18760, 21038, 21980, 42076, 43960, 52595, 73633, 84152, 105190, 147266, 210380, 294532, 368165, 420760, 589064, 736330, 1472660, 2945320]

約数ペア:

[(1, 2945320), (2, 1472660), (4, 736330), (5, 589064), (7, 420760), (8, 368165), (10, 294532), (14, 210380), (20, 147266), (28, 105190), (35, 84152), (40, 73633), (56, 52595), (67, 43960), (70, 42076), (134, 21980), (140, 21038), (157, 18760), (268, 10990), (280, 10519), (314, 9380), (335, 8792), (469, 6280), (536, 5495), (628, 4690), (670, 4396), (785, 3752), (938, 3140), (1099, 2680), (1256, 2345), (1340, 2198), (1570, 1876)]