387142980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{2017}}^1$

素因数の和:2493

約数の個数: 96

約数和(自身を含む): 1242183936

約数和(自身を除く): 855040956

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, 457, 914, 1371, 1828, 2017, 2285, 2742, 3199, 4034, 4570, 5484, 6051, 6398, 6855, 8068, 9140, 9597, 10085, 12102, 12796, 13710, 14119, 15995, 19194, 20170, 24204, 27420, 28238, 30255, 31990, 38388, 40340, 42357, 47985, 56476, 60510, 63980, 70595, 84714, 95970, 121020, 141190, 169428, 191940, 211785, 282380, 423570, 847140, 921769, 1843538, 2765307, 3687076, 4608845, 5530614, 6452383, 9217690, 11061228, 12904766, 13826535, 18435380, 19357149, 25809532, 27653070, 32261915, 38714298, 55306140, 64523830, 77428596, 96785745, 129047660, 193571490, 387142980]

約数ペア:

[(1, 387142980), (2, 193571490), (3, 129047660), (4, 96785745), (5, 77428596), (6, 64523830), (7, 55306140), (10, 38714298), (12, 32261915), (14, 27653070), (15, 25809532), (20, 19357149), (21, 18435380), (28, 13826535), (30, 12904766), (35, 11061228), (42, 9217690), (60, 6452383), (70, 5530614), (84, 4608845), (105, 3687076), (140, 2765307), (210, 1843538), (420, 921769), (457, 847140), (914, 423570), (1371, 282380), (1828, 211785), (2017, 191940), (2285, 169428), (2742, 141190), (3199, 121020), (4034, 95970), (4570, 84714), (5484, 70595), (6051, 63980), (6398, 60510), (6855, 56476), (8068, 47985), (9140, 42357), (9597, 40340), (10085, 38388), (12102, 31990), (12796, 30255), (13710, 28238), (14119, 27420), (15995, 24204), (19194, 20170)]