188321840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{643}}^1$

素因数の和:1186

約数の個数: 80

約数和(自身を含む): 502134528

約数和(自身を除く): 313812688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 523, 560, 643, 1046, 1286, 2092, 2572, 2615, 3215, 3661, 4184, 4501, 5144, 5230, 6430, 7322, 8368, 9002, 10288, 10460, 12860, 14644, 18004, 18305, 20920, 22505, 25720, 29288, 36008, 36610, 41840, 45010, 51440, 58576, 72016, 73220, 90020, 146440, 180040, 292880, 336289, 360080, 672578, 1345156, 1681445, 2354023, 2690312, 3362890, 4708046, 5380624, 6725780, 9416092, 11770115, 13451560, 18832184, 23540230, 26903120, 37664368, 47080460, 94160920, 188321840]

約数ペア:

[(1, 188321840), (2, 94160920), (4, 47080460), (5, 37664368), (7, 26903120), (8, 23540230), (10, 18832184), (14, 13451560), (16, 11770115), (20, 9416092), (28, 6725780), (35, 5380624), (40, 4708046), (56, 3362890), (70, 2690312), (80, 2354023), (112, 1681445), (140, 1345156), (280, 672578), (523, 360080), (560, 336289), (643, 292880), (1046, 180040), (1286, 146440), (2092, 90020), (2572, 73220), (2615, 72016), (3215, 58576), (3661, 51440), (4184, 45010), (4501, 41840), (5144, 36610), (5230, 36008), (6430, 29288), (7322, 25720), (8368, 22505), (9002, 20920), (10288, 18305), (10460, 18004), (12860, 14644)]