220160408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 460978560

約数和(自身を除く): 240818152

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 73, 94, 104, 146, 188, 292, 376, 584, 611, 617, 949, 1222, 1234, 1898, 2444, 2468, 3431, 3796, 4888, 4936, 6862, 7592, 8021, 13724, 16042, 27448, 28999, 32084, 44603, 45041, 57998, 64168, 89206, 90082, 115996, 178412, 180164, 231992, 356824, 360328, 376987, 585533, 753974, 1171066, 1507948, 2116927, 2342132, 3015896, 4233854, 4684264, 8467708, 16935416, 27520051, 55040102, 110080204, 220160408]

約数ペア:

[(1, 220160408), (2, 110080204), (4, 55040102), (8, 27520051), (13, 16935416), (26, 8467708), (47, 4684264), (52, 4233854), (73, 3015896), (94, 2342132), (104, 2116927), (146, 1507948), (188, 1171066), (292, 753974), (376, 585533), (584, 376987), (611, 360328), (617, 356824), (949, 231992), (1222, 180164), (1234, 178412), (1898, 115996), (2444, 90082), (2468, 89206), (3431, 64168), (3796, 57998), (4888, 45041), (4936, 44603), (6862, 32084), (7592, 28999), (8021, 27448), (13724, 16042)]