200799550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2066

約数の個数: 72

約数和(自身を含む): 445284000

約数和(自身を除く): 244484450

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 49, 50, 70, 82, 98, 175, 205, 245, 287, 350, 410, 490, 574, 1025, 1225, 1435, 1999, 2009, 2050, 2450, 2870, 3998, 4018, 7175, 9995, 10045, 13993, 14350, 19990, 20090, 27986, 49975, 50225, 69965, 81959, 97951, 99950, 100450, 139930, 163918, 195902, 349825, 409795, 489755, 573713, 699650, 819590, 979510, 1147426, 2048975, 2448775, 2868565, 4015991, 4097950, 4897550, 5737130, 8031982, 14342825, 20079955, 28685650, 40159910, 100399775, 200799550]

約数ペア:

[(1, 200799550), (2, 100399775), (5, 40159910), (7, 28685650), (10, 20079955), (14, 14342825), (25, 8031982), (35, 5737130), (41, 4897550), (49, 4097950), (50, 4015991), (70, 2868565), (82, 2448775), (98, 2048975), (175, 1147426), (205, 979510), (245, 819590), (287, 699650), (350, 573713), (410, 489755), (490, 409795), (574, 349825), (1025, 195902), (1225, 163918), (1435, 139930), (1999, 100450), (2009, 99950), (2050, 97951), (2450, 81959), (2870, 69965), (3998, 50225), (4018, 49975), (7175, 27986), (9995, 20090), (10045, 19990), (13993, 14350)]