158928420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{378401}}^1$

素因数の和:378420

約数の個数: 48

約数和(自身を含む): 508572288

約数和(自身を除く): 349643868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 378401, 756802, 1135203, 1513604, 1892005, 2270406, 2648807, 3784010, 4540812, 5297614, 5676015, 7568020, 7946421, 10595228, 11352030, 13244035, 15892842, 22704060, 26488070, 31785684, 39732105, 52976140, 79464210, 158928420]

約数ペア:

[(1, 158928420), (2, 79464210), (3, 52976140), (4, 39732105), (5, 31785684), (6, 26488070), (7, 22704060), (10, 15892842), (12, 13244035), (14, 11352030), (15, 10595228), (20, 7946421), (21, 7568020), (28, 5676015), (30, 5297614), (35, 4540812), (42, 3784010), (60, 2648807), (70, 2270406), (84, 1892005), (105, 1513604), (140, 1135203), (210, 756802), (420, 378401)]