28945140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68917}}^1$

素因数の和:68936

約数の個数: 48

約数和(自身を含む): 92625792

約数和(自身を除く): 63680652

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, 68917, 137834, 206751, 275668, 344585, 413502, 482419, 689170, 827004, 964838, 1033755, 1378340, 1447257, 1929676, 2067510, 2412095, 2894514, 4135020, 4824190, 5789028, 7236285, 9648380, 14472570, 28945140]

約数ペア:

[(1, 28945140), (2, 14472570), (3, 9648380), (4, 7236285), (5, 5789028), (6, 4824190), (7, 4135020), (10, 2894514), (12, 2412095), (14, 2067510), (15, 1929676), (20, 1447257), (21, 1378340), (28, 1033755), (30, 964838), (35, 827004), (42, 689170), (60, 482419), (70, 413502), (84, 344585), (105, 275668), (140, 206751), (210, 137834), (420, 68917)]