340509575

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 528997392

約数和(自身を除く): 188487817

約数列:

[1, 5, 7, 17, 25, 35, 49, 83, 85, 119, 175, 197, 245, 415, 425, 581, 595, 833, 985, 1225, 1379, 1411, 2075, 2905, 2975, 3349, 4067, 4165, 4925, 6895, 7055, 9653, 9877, 14525, 16351, 16745, 20335, 20825, 23443, 34475, 35275, 48265, 49385, 69139, 81755, 83725, 101675, 114457, 117215, 164101, 241325, 246925, 277967, 345695, 408775, 572285, 586075, 801199, 820505, 1389835, 1728475, 1945769, 2861425, 4005995, 4102525, 6949175, 9728845, 13620383, 20029975, 48644225, 68101915, 340509575]

約数ペア:

[(1, 340509575), (5, 68101915), (7, 48644225), (17, 20029975), (25, 13620383), (35, 9728845), (49, 6949175), (83, 4102525), (85, 4005995), (119, 2861425), (175, 1945769), (197, 1728475), (245, 1389835), (415, 820505), (425, 801199), (581, 586075), (595, 572285), (833, 408775), (985, 345695), (1225, 277967), (1379, 246925), (1411, 241325), (2075, 164101), (2905, 117215), (2975, 114457), (3349, 101675), (4067, 83725), (4165, 81755), (4925, 69139), (6895, 49385), (7055, 48265), (9653, 35275), (9877, 34475), (14525, 23443), (16351, 20825), (16745, 20335)]