156979198460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4721}}^1\times {\mathrm{237509}}^1$

素因数の和:242246

約数の個数: 48

約数和(自身を含む): 376831465920

約数和(自身を除く): 219852267460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4721, 9442, 18884, 23605, 33047, 47210, 66094, 94420, 132188, 165235, 237509, 330470, 475018, 660940, 950036, 1187545, 1662563, 2375090, 3325126, 4750180, 6650252, 8312815, 16625630, 33251260, 1121279989, 2242559978, 4485119956, 5606399945, 7848959923, 11212799890, 15697919846, 22425599780, 31395839692, 39244799615, 78489599230, 156979198460]

約数ペア:

[(1, 156979198460), (2, 78489599230), (4, 39244799615), (5, 31395839692), (7, 22425599780), (10, 15697919846), (14, 11212799890), (20, 7848959923), (28, 5606399945), (35, 4485119956), (70, 2242559978), (140, 1121279989), (4721, 33251260), (9442, 16625630), (18884, 8312815), (23605, 6650252), (33047, 4750180), (47210, 3325126), (66094, 2375090), (94420, 1662563), (132188, 1187545), (165235, 950036), (237509, 660940), (330470, 475018)]