780291260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{91369}}^1$

素因数の和:91446

約数の個数: 48

約数和(自身を含む): 1903419840

約数和(自身を除く): 1123128580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 91369, 182738, 365476, 456845, 639583, 913690, 1279166, 1827380, 2558332, 3197915, 5573509, 6395830, 11147018, 12791660, 22294036, 27867545, 39014563, 55735090, 78029126, 111470180, 156058252, 195072815, 390145630, 780291260]

約数ペア:

[(1, 780291260), (2, 390145630), (4, 195072815), (5, 156058252), (7, 111470180), (10, 78029126), (14, 55735090), (20, 39014563), (28, 27867545), (35, 22294036), (61, 12791660), (70, 11147018), (122, 6395830), (140, 5573509), (244, 3197915), (305, 2558332), (427, 1827380), (610, 1279166), (854, 913690), (1220, 639583), (1708, 456845), (2135, 365476), (4270, 182738), (8540, 91369)]