28546140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67967}}^1$

素因数の和:67986

約数の個数: 48

約数和(自身を含む): 91348992

約数和(自身を除く): 62802852

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, 67967, 135934, 203901, 271868, 339835, 407802, 475769, 679670, 815604, 951538, 1019505, 1359340, 1427307, 1903076, 2039010, 2378845, 2854614, 4078020, 4757690, 5709228, 7136535, 9515380, 14273070, 28546140]

約数ペア:

[(1, 28546140), (2, 14273070), (3, 9515380), (4, 7136535), (5, 5709228), (6, 4757690), (7, 4078020), (10, 2854614), (12, 2378845), (14, 2039010), (15, 1903076), (20, 1427307), (21, 1359340), (28, 1019505), (30, 951538), (35, 815604), (42, 679670), (60, 475769), (70, 407802), (84, 339835), (105, 271868), (140, 203901), (210, 135934), (420, 67967)]