251016080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2591}}^1$

素因数の和:2784

約数の個数: 80

約数和(自身を含む): 671099904

約数和(自身を除く): 420083824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 173, 280, 346, 560, 692, 865, 1211, 1384, 1730, 2422, 2591, 2768, 3460, 4844, 5182, 6055, 6920, 9688, 10364, 12110, 12955, 13840, 18137, 19376, 20728, 24220, 25910, 36274, 41456, 48440, 51820, 72548, 90685, 96880, 103640, 145096, 181370, 207280, 290192, 362740, 448243, 725480, 896486, 1450960, 1792972, 2241215, 3137701, 3585944, 4482430, 6275402, 7171888, 8964860, 12550804, 15688505, 17929720, 25101608, 31377010, 35859440, 50203216, 62754020, 125508040, 251016080]

約数ペア:

[(1, 251016080), (2, 125508040), (4, 62754020), (5, 50203216), (7, 35859440), (8, 31377010), (10, 25101608), (14, 17929720), (16, 15688505), (20, 12550804), (28, 8964860), (35, 7171888), (40, 6275402), (56, 4482430), (70, 3585944), (80, 3137701), (112, 2241215), (140, 1792972), (173, 1450960), (280, 896486), (346, 725480), (560, 448243), (692, 362740), (865, 290192), (1211, 207280), (1384, 181370), (1730, 145096), (2422, 103640), (2591, 96880), (2768, 90685), (3460, 72548), (4844, 51820), (5182, 48440), (6055, 41456), (6920, 36274), (9688, 25910), (10364, 24220), (12110, 20728), (12955, 19376), (13840, 18137)]