27702920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{98939}}^1$

素因数の和:98957

約数の個数: 32

約数和(自身を含む): 71236800

約数和(自身を除く): 43533880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 98939, 197878, 395756, 494695, 692573, 791512, 989390, 1385146, 1978780, 2770292, 3462865, 3957560, 5540584, 6925730, 13851460, 27702920]

約数ペア:

[(1, 27702920), (2, 13851460), (4, 6925730), (5, 5540584), (7, 3957560), (8, 3462865), (10, 2770292), (14, 1978780), (20, 1385146), (28, 989390), (35, 791512), (40, 692573), (56, 494695), (70, 395756), (140, 197878), (280, 98939)]