3967880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 10506240

約数和(自身を除く): 6538360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 383, 518, 740, 766, 1036, 1295, 1480, 1532, 1915, 2072, 2590, 2681, 3064, 3830, 5180, 5362, 7660, 10360, 10724, 13405, 14171, 15320, 21448, 26810, 28342, 53620, 56684, 70855, 99197, 107240, 113368, 141710, 198394, 283420, 396788, 495985, 566840, 793576, 991970, 1983940, 3967880]

約数ペア:

[(1, 3967880), (2, 1983940), (4, 991970), (5, 793576), (7, 566840), (8, 495985), (10, 396788), (14, 283420), (20, 198394), (28, 141710), (35, 113368), (37, 107240), (40, 99197), (56, 70855), (70, 56684), (74, 53620), (140, 28342), (148, 26810), (185, 21448), (259, 15320), (280, 14171), (296, 13405), (370, 10724), (383, 10360), (518, 7660), (740, 5362), (766, 5180), (1036, 3830), (1295, 3064), (1480, 2681), (1532, 2590), (1915, 2072)]