1229555720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{654019}}^1$

素因数の和:654077

約数の個数: 32

約数和(自身を含む): 2825366400

約数和(自身を除く): 1595810680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 654019, 1308038, 2616076, 3270095, 5232152, 6540190, 13080380, 26160760, 30738893, 61477786, 122955572, 153694465, 245911144, 307388930, 614777860, 1229555720]

約数ペア:

[(1, 1229555720), (2, 614777860), (4, 307388930), (5, 245911144), (8, 153694465), (10, 122955572), (20, 61477786), (40, 30738893), (47, 26160760), (94, 13080380), (188, 6540190), (235, 5232152), (376, 3270095), (470, 2616076), (940, 1308038), (1880, 654019)]