206758640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4999}}^1$

素因数の和:5070

約数の個数: 80

約数和(自身を含む): 535680000

約数和(自身を除く): 328921360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1034, 1880, 2068, 2585, 3760, 4136, 4999, 5170, 8272, 9998, 10340, 19996, 20680, 24995, 39992, 41360, 49990, 54989, 79984, 99980, 109978, 199960, 219956, 234953, 274945, 399920, 439912, 469906, 549890, 879824, 939812, 1099780, 1174765, 1879624, 2199560, 2349530, 2584483, 3759248, 4399120, 4699060, 5168966, 9398120, 10337932, 12922415, 18796240, 20675864, 25844830, 41351728, 51689660, 103379320, 206758640]

約数ペア:

[(1, 206758640), (2, 103379320), (4, 51689660), (5, 41351728), (8, 25844830), (10, 20675864), (11, 18796240), (16, 12922415), (20, 10337932), (22, 9398120), (40, 5168966), (44, 4699060), (47, 4399120), (55, 3759248), (80, 2584483), (88, 2349530), (94, 2199560), (110, 1879624), (176, 1174765), (188, 1099780), (220, 939812), (235, 879824), (376, 549890), (440, 469906), (470, 439912), (517, 399920), (752, 274945), (880, 234953), (940, 219956), (1034, 199960), (1880, 109978), (2068, 99980), (2585, 79984), (3760, 54989), (4136, 49990), (4999, 41360), (5170, 39992), (8272, 24995), (9998, 20680), (10340, 19996)]