5439490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{653}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 12078072

約数和(自身を除く): 6638582

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 653, 833, 1190, 1306, 1666, 3265, 4165, 4571, 6530, 8330, 9142, 11101, 22202, 22855, 31997, 45710, 55505, 63994, 77707, 111010, 155414, 159985, 319970, 388535, 543949, 777070, 1087898, 2719745, 5439490]

約数ペア:

[(1, 5439490), (2, 2719745), (5, 1087898), (7, 777070), (10, 543949), (14, 388535), (17, 319970), (34, 159985), (35, 155414), (49, 111010), (70, 77707), (85, 63994), (98, 55505), (119, 45710), (170, 31997), (238, 22855), (245, 22202), (490, 11101), (595, 9142), (653, 8330), (833, 6530), (1190, 4571), (1306, 4165), (1666, 3265)]