26178460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 69672960

約数和(自身を除く): 43494500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 89, 110, 140, 154, 178, 191, 220, 308, 356, 382, 385, 445, 623, 764, 770, 890, 955, 979, 1246, 1337, 1540, 1780, 1910, 1958, 2101, 2492, 2674, 3115, 3820, 3916, 4202, 4895, 5348, 6230, 6685, 6853, 8404, 9790, 10505, 12460, 13370, 13706, 14707, 16999, 19580, 21010, 26740, 27412, 29414, 33998, 34265, 42020, 58828, 67996, 68530, 73535, 84995, 118993, 137060, 147070, 169990, 186989, 237986, 294140, 339980, 373978, 475972, 594965, 747956, 934945, 1189930, 1308923, 1869890, 2379860, 2617846, 3739780, 5235692, 6544615, 13089230, 26178460]

約数ペア:

[(1, 26178460), (2, 13089230), (4, 6544615), (5, 5235692), (7, 3739780), (10, 2617846), (11, 2379860), (14, 1869890), (20, 1308923), (22, 1189930), (28, 934945), (35, 747956), (44, 594965), (55, 475972), (70, 373978), (77, 339980), (89, 294140), (110, 237986), (140, 186989), (154, 169990), (178, 147070), (191, 137060), (220, 118993), (308, 84995), (356, 73535), (382, 68530), (385, 67996), (445, 58828), (623, 42020), (764, 34265), (770, 33998), (890, 29414), (955, 27412), (979, 26740), (1246, 21010), (1337, 19580), (1540, 16999), (1780, 14707), (1910, 13706), (1958, 13370), (2101, 12460), (2492, 10505), (2674, 9790), (3115, 8404), (3820, 6853), (3916, 6685), (4202, 6230), (4895, 5348)]