128829900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{18671}}^1$

素因数の和:18711

約数の個数: 72

約数和(自身を含む): 388975104

約数和(自身を除く): 260145204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 138, 150, 230, 276, 300, 345, 460, 575, 690, 1150, 1380, 1725, 2300, 3450, 6900, 18671, 37342, 56013, 74684, 93355, 112026, 186710, 224052, 280065, 373420, 429433, 466775, 560130, 858866, 933550, 1120260, 1288299, 1400325, 1717732, 1867100, 2147165, 2576598, 2800650, 4294330, 5153196, 5601300, 6441495, 8588660, 10735825, 12882990, 21471650, 25765980, 32207475, 42943300, 64414950, 128829900]

約数ペア:

[(1, 128829900), (2, 64414950), (3, 42943300), (4, 32207475), (5, 25765980), (6, 21471650), (10, 12882990), (12, 10735825), (15, 8588660), (20, 6441495), (23, 5601300), (25, 5153196), (30, 4294330), (46, 2800650), (50, 2576598), (60, 2147165), (69, 1867100), (75, 1717732), (92, 1400325), (100, 1288299), (115, 1120260), (138, 933550), (150, 858866), (230, 560130), (276, 466775), (300, 429433), (345, 373420), (460, 280065), (575, 224052), (690, 186710), (1150, 112026), (1380, 93355), (1725, 74684), (2300, 56013), (3450, 37342), (6900, 18671)]