8715070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 19748736

約数和(自身を除く): 11033666

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 61, 65, 70, 91, 122, 130, 157, 182, 305, 314, 427, 455, 610, 785, 793, 854, 910, 1099, 1570, 1586, 2041, 2135, 2198, 3965, 4082, 4270, 5495, 5551, 7930, 9577, 10205, 10990, 11102, 14287, 19154, 20410, 27755, 28574, 47885, 55510, 67039, 71435, 95770, 124501, 134078, 142870, 249002, 335195, 622505, 670390, 871507, 1245010, 1743014, 4357535, 8715070]

約数ペア:

[(1, 8715070), (2, 4357535), (5, 1743014), (7, 1245010), (10, 871507), (13, 670390), (14, 622505), (26, 335195), (35, 249002), (61, 142870), (65, 134078), (70, 124501), (91, 95770), (122, 71435), (130, 67039), (157, 55510), (182, 47885), (305, 28574), (314, 27755), (427, 20410), (455, 19154), (610, 14287), (785, 11102), (793, 10990), (854, 10205), (910, 9577), (1099, 7930), (1570, 5551), (1586, 5495), (2041, 4270), (2135, 4082), (2198, 3965)]