278690060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{11839}}^1$

素因数の和:11966

約数の個数: 48

約数和(自身を含む): 644474880

約数和(自身を除く): 365784820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 2140, 2354, 4708, 5885, 11770, 11839, 23540, 23678, 47356, 59195, 118390, 130229, 236780, 260458, 520916, 651145, 1266773, 1302290, 2533546, 2604580, 5067092, 6333865, 12667730, 13934503, 25335460, 27869006, 55738012, 69672515, 139345030, 278690060]

約数ペア:

[(1, 278690060), (2, 139345030), (4, 69672515), (5, 55738012), (10, 27869006), (11, 25335460), (20, 13934503), (22, 12667730), (44, 6333865), (55, 5067092), (107, 2604580), (110, 2533546), (214, 1302290), (220, 1266773), (428, 651145), (535, 520916), (1070, 260458), (1177, 236780), (2140, 130229), (2354, 118390), (4708, 59195), (5885, 47356), (11770, 23678), (11839, 23540)]