3505480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 8916480

約数和(自身を除く): 5411000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 257, 310, 341, 440, 514, 620, 682, 1028, 1240, 1285, 1364, 1705, 2056, 2570, 2728, 2827, 3410, 5140, 5654, 6820, 7967, 10280, 11308, 13640, 14135, 15934, 22616, 28270, 31868, 39835, 56540, 63736, 79670, 87637, 113080, 159340, 175274, 318680, 350548, 438185, 701096, 876370, 1752740, 3505480]

約数ペア:

[(1, 3505480), (2, 1752740), (4, 876370), (5, 701096), (8, 438185), (10, 350548), (11, 318680), (20, 175274), (22, 159340), (31, 113080), (40, 87637), (44, 79670), (55, 63736), (62, 56540), (88, 39835), (110, 31868), (124, 28270), (155, 22616), (220, 15934), (248, 14135), (257, 13640), (310, 11308), (341, 10280), (440, 7967), (514, 6820), (620, 5654), (682, 5140), (1028, 3410), (1240, 2827), (1285, 2728), (1364, 2570), (1705, 2056)]