2021772340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{199}}^1\times {\mathrm{1481}}^1$

素因数の和:1710

約数の個数: 96

約数和(自身を含む): 4979520000

約数和(自身を除く): 2957747660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 199, 245, 343, 398, 490, 686, 796, 980, 995, 1372, 1393, 1481, 1715, 1990, 2786, 2962, 3430, 3980, 5572, 5924, 6860, 6965, 7405, 9751, 10367, 13930, 14810, 19502, 20734, 27860, 29620, 39004, 41468, 48755, 51835, 68257, 72569, 97510, 103670, 136514, 145138, 195020, 207340, 273028, 290276, 294719, 341285, 362845, 507983, 589438, 682570, 725690, 1015966, 1178876, 1365140, 1451380, 1473595, 2031932, 2063033, 2539915, 2947190, 4126066, 5079830, 5894380, 8252132, 10159660, 10315165, 14441231, 20630330, 28882462, 41260660, 57764924, 72206155, 101088617, 144412310, 202177234, 288824620, 404354468, 505443085, 1010886170, 2021772340]

約数ペア:

[(1, 2021772340), (2, 1010886170), (4, 505443085), (5, 404354468), (7, 288824620), (10, 202177234), (14, 144412310), (20, 101088617), (28, 72206155), (35, 57764924), (49, 41260660), (70, 28882462), (98, 20630330), (140, 14441231), (196, 10315165), (199, 10159660), (245, 8252132), (343, 5894380), (398, 5079830), (490, 4126066), (686, 2947190), (796, 2539915), (980, 2063033), (995, 2031932), (1372, 1473595), (1393, 1451380), (1481, 1365140), (1715, 1178876), (1990, 1015966), (2786, 725690), (2962, 682570), (3430, 589438), (3980, 507983), (5572, 362845), (5924, 341285), (6860, 294719), (6965, 290276), (7405, 273028), (9751, 207340), (10367, 195020), (13930, 145138), (14810, 136514), (19502, 103670), (20734, 97510), (27860, 72569), (29620, 68257), (39004, 51835), (41468, 48755)]