139081740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{331147}}^1$

素因数の和:331166

約数の個数: 48

約数和(自身を含む): 445062912

約数和(自身を除く): 305981172

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, 331147, 662294, 993441, 1324588, 1655735, 1986882, 2318029, 3311470, 3973764, 4636058, 4967205, 6622940, 6954087, 9272116, 9934410, 11590145, 13908174, 19868820, 23180290, 27816348, 34770435, 46360580, 69540870, 139081740]

約数ペア:

[(1, 139081740), (2, 69540870), (3, 46360580), (4, 34770435), (5, 27816348), (6, 23180290), (7, 19868820), (10, 13908174), (12, 11590145), (14, 9934410), (15, 9272116), (20, 6954087), (21, 6622940), (28, 4967205), (30, 4636058), (35, 3973764), (42, 3311470), (60, 2318029), (70, 1986882), (84, 1655735), (105, 1324588), (140, 993441), (210, 662294), (420, 331147)]