208156670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:569

約数の個数: 64

約数和(自身を含む): 418037760

約数和(自身を除く): 209881090

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 139, 170, 230, 278, 383, 391, 695, 766, 782, 1390, 1915, 1955, 2363, 3197, 3830, 3910, 4726, 6394, 6511, 8809, 11815, 13022, 15985, 17618, 23630, 31970, 32555, 44045, 53237, 54349, 65110, 88090, 106474, 108698, 149753, 266185, 271745, 299506, 532370, 543490, 748765, 905029, 1224451, 1497530, 1810058, 2448902, 4525145, 6122255, 9050290, 12244510, 20815667, 41631334, 104078335, 208156670]

約数ペア:

[(1, 208156670), (2, 104078335), (5, 41631334), (10, 20815667), (17, 12244510), (23, 9050290), (34, 6122255), (46, 4525145), (85, 2448902), (115, 1810058), (139, 1497530), (170, 1224451), (230, 905029), (278, 748765), (383, 543490), (391, 532370), (695, 299506), (766, 271745), (782, 266185), (1390, 149753), (1915, 108698), (1955, 106474), (2363, 88090), (3197, 65110), (3830, 54349), (3910, 53237), (4726, 44045), (6394, 32555), (6511, 31970), (8809, 23630), (11815, 17618), (13022, 15985)]