188978000

素因数分解:

$2^4\times 5^3\times {\mathrm{61}}^1\times {\mathrm{1549}}^1$

素因数の和:1633

約数の個数: 80

約数和(自身を含む): 464739600

約数和(自身を除く): 275761600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 125, 200, 244, 250, 305, 400, 488, 500, 610, 976, 1000, 1220, 1525, 1549, 2000, 2440, 3050, 3098, 4880, 6100, 6196, 7625, 7745, 12200, 12392, 15250, 15490, 24400, 24784, 30500, 30980, 38725, 61000, 61960, 77450, 94489, 122000, 123920, 154900, 188978, 193625, 309800, 377956, 387250, 472445, 619600, 755912, 774500, 944890, 1511824, 1549000, 1889780, 2362225, 3098000, 3779560, 4724450, 7559120, 9448900, 11811125, 18897800, 23622250, 37795600, 47244500, 94489000, 188978000]

約数ペア:

[(1, 188978000), (2, 94489000), (4, 47244500), (5, 37795600), (8, 23622250), (10, 18897800), (16, 11811125), (20, 9448900), (25, 7559120), (40, 4724450), (50, 3779560), (61, 3098000), (80, 2362225), (100, 1889780), (122, 1549000), (125, 1511824), (200, 944890), (244, 774500), (250, 755912), (305, 619600), (400, 472445), (488, 387250), (500, 377956), (610, 309800), (976, 193625), (1000, 188978), (1220, 154900), (1525, 123920), (1549, 122000), (2000, 94489), (2440, 77450), (3050, 61960), (3098, 61000), (4880, 38725), (6100, 30980), (6196, 30500), (7625, 24784), (7745, 24400), (12200, 15490), (12392, 15250)]