197881884

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{659}}^1$

素因数の和:1127

約数の個数: 72

約数和(自身を含む): 528528000

約数和(自身を除く): 330646116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 439, 659, 684, 878, 1317, 1318, 1756, 1977, 2634, 2636, 3951, 3954, 5268, 5931, 7902, 7908, 8341, 11862, 12521, 15804, 16682, 23724, 25023, 25042, 33364, 37563, 50046, 50084, 75069, 75126, 100092, 112689, 150138, 150252, 225378, 289301, 300276, 450756, 578602, 867903, 1157204, 1735806, 2603709, 3471612, 5207418, 5496719, 10414836, 10993438, 16490157, 21986876, 32980314, 49470471, 65960628, 98940942, 197881884]

約数ペア:

[(1, 197881884), (2, 98940942), (3, 65960628), (4, 49470471), (6, 32980314), (9, 21986876), (12, 16490157), (18, 10993438), (19, 10414836), (36, 5496719), (38, 5207418), (57, 3471612), (76, 2603709), (114, 1735806), (171, 1157204), (228, 867903), (342, 578602), (439, 450756), (659, 300276), (684, 289301), (878, 225378), (1317, 150252), (1318, 150138), (1756, 112689), (1977, 100092), (2634, 75126), (2636, 75069), (3951, 50084), (3954, 50046), (5268, 37563), (5931, 33364), (7902, 25042), (7908, 25023), (8341, 23724), (11862, 16682), (12521, 15804)]