1983940

素因数分解:

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

素因数の和:436

約数の個数: 48

約数和(自身を含む): 4902912

約数和(自身を除く): 2918972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 383, 518, 740, 766, 1036, 1295, 1532, 1915, 2590, 2681, 3830, 5180, 5362, 7660, 10724, 13405, 14171, 26810, 28342, 53620, 56684, 70855, 99197, 141710, 198394, 283420, 396788, 495985, 991970, 1983940]

約数ペア:

[(1, 1983940), (2, 991970), (4, 495985), (5, 396788), (7, 283420), (10, 198394), (14, 141710), (20, 99197), (28, 70855), (35, 56684), (37, 53620), (70, 28342), (74, 26810), (140, 14171), (148, 13405), (185, 10724), (259, 7660), (370, 5362), (383, 5180), (518, 3830), (740, 2681), (766, 2590), (1036, 1915), (1295, 1532)]