25195380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 81285120

約数和(自身を除く): 56089740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 251, 420, 478, 502, 717, 753, 956, 1004, 1195, 1255, 1434, 1506, 1673, 1757, 2390, 2510, 2868, 3012, 3346, 3514, 3585, 3765, 4780, 5019, 5020, 5271, 6692, 7028, 7170, 7530, 8365, 8785, 10038, 10542, 14340, 15060, 16730, 17570, 20076, 21084, 25095, 26355, 33460, 35140, 50190, 52710, 59989, 100380, 105420, 119978, 179967, 239956, 299945, 359934, 419923, 599890, 719868, 839846, 899835, 1199780, 1259769, 1679692, 1799670, 2099615, 2519538, 3599340, 4199230, 5039076, 6298845, 8398460, 12597690, 25195380]

約数ペア:

[(1, 25195380), (2, 12597690), (3, 8398460), (4, 6298845), (5, 5039076), (6, 4199230), (7, 3599340), (10, 2519538), (12, 2099615), (14, 1799670), (15, 1679692), (20, 1259769), (21, 1199780), (28, 899835), (30, 839846), (35, 719868), (42, 599890), (60, 419923), (70, 359934), (84, 299945), (105, 239956), (140, 179967), (210, 119978), (239, 105420), (251, 100380), (420, 59989), (478, 52710), (502, 50190), (717, 35140), (753, 33460), (956, 26355), (1004, 25095), (1195, 21084), (1255, 20076), (1434, 17570), (1506, 16730), (1673, 15060), (1757, 14340), (2390, 10542), (2510, 10038), (2868, 8785), (3012, 8365), (3346, 7530), (3514, 7170), (3585, 7028), (3765, 6692), (4780, 5271), (5019, 5020)]