259318780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{2473}}^1$

素因数の和:2603

約数の個数: 72

約数和(自身を含む): 639657648

約数和(自身を除く): 380338868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 107, 140, 196, 214, 245, 428, 490, 535, 749, 980, 1070, 1498, 2140, 2473, 2996, 3745, 4946, 5243, 7490, 9892, 10486, 12365, 14980, 17311, 20972, 24730, 26215, 34622, 49460, 52430, 69244, 86555, 104860, 121177, 173110, 242354, 264611, 346220, 484708, 529222, 605885, 1058444, 1211770, 1323055, 1852277, 2423540, 2646110, 3704554, 5292220, 7409108, 9261385, 12965939, 18522770, 25931878, 37045540, 51863756, 64829695, 129659390, 259318780]

約数ペア:

[(1, 259318780), (2, 129659390), (4, 64829695), (5, 51863756), (7, 37045540), (10, 25931878), (14, 18522770), (20, 12965939), (28, 9261385), (35, 7409108), (49, 5292220), (70, 3704554), (98, 2646110), (107, 2423540), (140, 1852277), (196, 1323055), (214, 1211770), (245, 1058444), (428, 605885), (490, 529222), (535, 484708), (749, 346220), (980, 264611), (1070, 242354), (1498, 173110), (2140, 121177), (2473, 104860), (2996, 86555), (3745, 69244), (4946, 52430), (5243, 49460), (7490, 34622), (9892, 26215), (10486, 24730), (12365, 20972), (14980, 17311)]