78715600

素因数分解:

$2^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 199272960

約数和(自身を除く): 120557360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 53, 79, 80, 94, 100, 106, 158, 188, 200, 212, 235, 265, 316, 376, 395, 400, 424, 470, 530, 632, 752, 790, 848, 940, 1060, 1175, 1264, 1325, 1580, 1880, 1975, 2120, 2350, 2491, 2650, 3160, 3713, 3760, 3950, 4187, 4240, 4700, 4982, 5300, 6320, 7426, 7900, 8374, 9400, 9964, 10600, 12455, 14852, 15800, 16748, 18565, 18800, 19928, 20935, 21200, 24910, 29704, 31600, 33496, 37130, 39856, 41870, 49820, 59408, 62275, 66992, 74260, 83740, 92825, 99640, 104675, 124550, 148520, 167480, 185650, 196789, 199280, 209350, 249100, 297040, 334960, 371300, 393578, 418700, 498200, 742600, 787156, 837400, 983945, 996400, 1485200, 1574312, 1674800, 1967890, 3148624, 3935780, 4919725, 7871560, 9839450, 15743120, 19678900, 39357800, 78715600]

約数ペア:

[(1, 78715600), (2, 39357800), (4, 19678900), (5, 15743120), (8, 9839450), (10, 7871560), (16, 4919725), (20, 3935780), (25, 3148624), (40, 1967890), (47, 1674800), (50, 1574312), (53, 1485200), (79, 996400), (80, 983945), (94, 837400), (100, 787156), (106, 742600), (158, 498200), (188, 418700), (200, 393578), (212, 371300), (235, 334960), (265, 297040), (316, 249100), (376, 209350), (395, 199280), (400, 196789), (424, 185650), (470, 167480), (530, 148520), (632, 124550), (752, 104675), (790, 99640), (848, 92825), (940, 83740), (1060, 74260), (1175, 66992), (1264, 62275), (1325, 59408), (1580, 49820), (1880, 41870), (1975, 39856), (2120, 37130), (2350, 33496), (2491, 31600), (2650, 29704), (3160, 24910), (3713, 21200), (3760, 20935), (3950, 19928), (4187, 18800), (4240, 18565), (4700, 16748), (4982, 15800), (5300, 14852), (6320, 12455), (7426, 10600), (7900, 9964), (8374, 9400)]