65502500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 173194560

約数和(自身を除く): 107692060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 125, 133, 140, 175, 190, 197, 250, 266, 350, 380, 394, 475, 500, 532, 625, 665, 700, 788, 875, 950, 985, 1250, 1330, 1379, 1750, 1900, 1970, 2375, 2500, 2660, 2758, 3325, 3500, 3743, 3940, 4375, 4750, 4925, 5516, 6650, 6895, 7486, 8750, 9500, 9850, 11875, 13300, 13790, 14972, 16625, 17500, 18715, 19700, 23750, 24625, 26201, 27580, 33250, 34475, 37430, 47500, 49250, 52402, 66500, 68950, 74860, 83125, 93575, 98500, 104804, 123125, 131005, 137900, 166250, 172375, 187150, 246250, 262010, 332500, 344750, 374300, 467875, 492500, 524020, 655025, 689500, 861875, 935750, 1310050, 1723750, 1871500, 2339375, 2620100, 3275125, 3447500, 4678750, 6550250, 9357500, 13100500, 16375625, 32751250, 65502500]

約数ペア:

[(1, 65502500), (2, 32751250), (4, 16375625), (5, 13100500), (7, 9357500), (10, 6550250), (14, 4678750), (19, 3447500), (20, 3275125), (25, 2620100), (28, 2339375), (35, 1871500), (38, 1723750), (50, 1310050), (70, 935750), (76, 861875), (95, 689500), (100, 655025), (125, 524020), (133, 492500), (140, 467875), (175, 374300), (190, 344750), (197, 332500), (250, 262010), (266, 246250), (350, 187150), (380, 172375), (394, 166250), (475, 137900), (500, 131005), (532, 123125), (625, 104804), (665, 98500), (700, 93575), (788, 83125), (875, 74860), (950, 68950), (985, 66500), (1250, 52402), (1330, 49250), (1379, 47500), (1750, 37430), (1900, 34475), (1970, 33250), (2375, 27580), (2500, 26201), (2660, 24625), (2758, 23750), (3325, 19700), (3500, 18715), (3743, 17500), (3940, 16625), (4375, 14972), (4750, 13790), (4925, 13300), (5516, 11875), (6650, 9850), (6895, 9500), (7486, 8750)]