2844440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 6998400

約数和(自身を除く): 4153960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 89, 94, 136, 170, 178, 188, 235, 340, 356, 376, 445, 470, 680, 712, 799, 890, 940, 1513, 1598, 1780, 1880, 3026, 3196, 3560, 3995, 4183, 6052, 6392, 7565, 7990, 8366, 12104, 15130, 15980, 16732, 20915, 30260, 31960, 33464, 41830, 60520, 71111, 83660, 142222, 167320, 284444, 355555, 568888, 711110, 1422220, 2844440]

約数ペア:

[(1, 2844440), (2, 1422220), (4, 711110), (5, 568888), (8, 355555), (10, 284444), (17, 167320), (20, 142222), (34, 83660), (40, 71111), (47, 60520), (68, 41830), (85, 33464), (89, 31960), (94, 30260), (136, 20915), (170, 16732), (178, 15980), (188, 15130), (235, 12104), (340, 8366), (356, 7990), (376, 7565), (445, 6392), (470, 6052), (680, 4183), (712, 3995), (799, 3560), (890, 3196), (940, 3026), (1513, 1880), (1598, 1780)]