380000656

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{857}}^1$

素因数の和:1016

約数の個数: 80

約数和(自身を含む): 873265536

約数和(自身を除く): 493264880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 107, 112, 148, 214, 259, 296, 428, 518, 592, 749, 856, 857, 1036, 1498, 1712, 1714, 2072, 2996, 3428, 3959, 4144, 5992, 5999, 6856, 7918, 11984, 11998, 13712, 15836, 23996, 27713, 31672, 31709, 47992, 55426, 63344, 63418, 91699, 95984, 110852, 126836, 183398, 221704, 221963, 253672, 366796, 443408, 443926, 507344, 641893, 733592, 887852, 1283786, 1467184, 1775704, 2567572, 3392863, 3551408, 5135144, 6785726, 10270288, 13571452, 23750041, 27142904, 47500082, 54285808, 95000164, 190000328, 380000656]

約数ペア:

[(1, 380000656), (2, 190000328), (4, 95000164), (7, 54285808), (8, 47500082), (14, 27142904), (16, 23750041), (28, 13571452), (37, 10270288), (56, 6785726), (74, 5135144), (107, 3551408), (112, 3392863), (148, 2567572), (214, 1775704), (259, 1467184), (296, 1283786), (428, 887852), (518, 733592), (592, 641893), (749, 507344), (856, 443926), (857, 443408), (1036, 366796), (1498, 253672), (1712, 221963), (1714, 221704), (2072, 183398), (2996, 126836), (3428, 110852), (3959, 95984), (4144, 91699), (5992, 63418), (5999, 63344), (6856, 55426), (7918, 47992), (11984, 31709), (11998, 31672), (13712, 27713), (15836, 23996)]