279825228

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{499}}^1$

素因数の和:967

約数の個数: 72

約数和(自身を含む): 729638000

約数和(自身を除く): 449812772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 421, 444, 499, 666, 842, 998, 1263, 1332, 1497, 1684, 1996, 2526, 2994, 3789, 4491, 5052, 5988, 7578, 8982, 15156, 15577, 17964, 18463, 31154, 36926, 46731, 55389, 62308, 73852, 93462, 110778, 140193, 166167, 186924, 210079, 221556, 280386, 332334, 420158, 560772, 630237, 664668, 840316, 1260474, 1890711, 2520948, 3781422, 7562844, 7772923, 15545846, 23318769, 31091692, 46637538, 69956307, 93275076, 139912614, 279825228]

約数ペア:

[(1, 279825228), (2, 139912614), (3, 93275076), (4, 69956307), (6, 46637538), (9, 31091692), (12, 23318769), (18, 15545846), (36, 7772923), (37, 7562844), (74, 3781422), (111, 2520948), (148, 1890711), (222, 1260474), (333, 840316), (421, 664668), (444, 630237), (499, 560772), (666, 420158), (842, 332334), (998, 280386), (1263, 221556), (1332, 210079), (1497, 186924), (1684, 166167), (1996, 140193), (2526, 110778), (2994, 93462), (3789, 73852), (4491, 62308), (5052, 55389), (5988, 46731), (7578, 36926), (8982, 31154), (15156, 18463), (15577, 17964)]