1570400440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{243851}}^1$

素因数の和:243892

約数の個数: 64

約数和(自身を含む): 4213762560

約数和(自身を除く): 2643362120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 243851, 487702, 975404, 1219255, 1706957, 1950808, 2438510, 3413914, 4877020, 5608573, 6827828, 8534785, 9754040, 11217146, 13655656, 17069570, 22434292, 28042865, 34139140, 39260011, 44868584, 56085730, 68278280, 78520022, 112171460, 157040044, 196300055, 224342920, 314080088, 392600110, 785200220, 1570400440]

約数ペア:

[(1, 1570400440), (2, 785200220), (4, 392600110), (5, 314080088), (7, 224342920), (8, 196300055), (10, 157040044), (14, 112171460), (20, 78520022), (23, 68278280), (28, 56085730), (35, 44868584), (40, 39260011), (46, 34139140), (56, 28042865), (70, 22434292), (92, 17069570), (115, 13655656), (140, 11217146), (161, 9754040), (184, 8534785), (230, 6827828), (280, 5608573), (322, 4877020), (460, 3413914), (644, 2438510), (805, 1950808), (920, 1706957), (1288, 1219255), (1610, 975404), (3220, 487702), (6440, 243851)]