394452540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{115337}}^1$

素因数の和:115371

約数の個数: 72

約数和(自身を含む): 1259490960

約数和(自身を除く): 865038420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 115337, 230674, 346011, 461348, 576685, 692022, 1038033, 1153370, 1384044, 1730055, 2076066, 2191403, 2306740, 3460110, 4152132, 4382806, 5190165, 6574209, 6920220, 8765612, 10380330, 10957015, 13148418, 19722627, 20760660, 21914030, 26296836, 32871045, 39445254, 43828060, 65742090, 78890508, 98613135, 131484180, 197226270, 394452540]

約数ペア:

[(1, 394452540), (2, 197226270), (3, 131484180), (4, 98613135), (5, 78890508), (6, 65742090), (9, 43828060), (10, 39445254), (12, 32871045), (15, 26296836), (18, 21914030), (19, 20760660), (20, 19722627), (30, 13148418), (36, 10957015), (38, 10380330), (45, 8765612), (57, 6920220), (60, 6574209), (76, 5190165), (90, 4382806), (95, 4152132), (114, 3460110), (171, 2306740), (180, 2191403), (190, 2076066), (228, 1730055), (285, 1384044), (342, 1153370), (380, 1038033), (570, 692022), (684, 576685), (855, 461348), (1140, 346011), (1710, 230674), (3420, 115337)]