245823340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 605404800

約数和(自身を除く): 359581460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 109, 140, 178, 181, 218, 356, 362, 436, 445, 545, 623, 724, 763, 890, 905, 1090, 1246, 1267, 1526, 1780, 1810, 2180, 2492, 2534, 3052, 3115, 3620, 3815, 5068, 6230, 6335, 7630, 9701, 12460, 12670, 15260, 16109, 19402, 19729, 25340, 32218, 38804, 39458, 48505, 64436, 67907, 78916, 80545, 97010, 98645, 112763, 135814, 138103, 161090, 194020, 197290, 225526, 271628, 276206, 322180, 339535, 394580, 451052, 552412, 563815, 679070, 690515, 1127630, 1358140, 1381030, 1755881, 2255260, 2762060, 3511762, 7023524, 8779405, 12291167, 17558810, 24582334, 35117620, 49164668, 61455835, 122911670, 245823340]

約数ペア:

[(1, 245823340), (2, 122911670), (4, 61455835), (5, 49164668), (7, 35117620), (10, 24582334), (14, 17558810), (20, 12291167), (28, 8779405), (35, 7023524), (70, 3511762), (89, 2762060), (109, 2255260), (140, 1755881), (178, 1381030), (181, 1358140), (218, 1127630), (356, 690515), (362, 679070), (436, 563815), (445, 552412), (545, 451052), (623, 394580), (724, 339535), (763, 322180), (890, 276206), (905, 271628), (1090, 225526), (1246, 197290), (1267, 194020), (1526, 161090), (1780, 138103), (1810, 135814), (2180, 112763), (2492, 98645), (2534, 97010), (3052, 80545), (3115, 78916), (3620, 67907), (3815, 64436), (5068, 48505), (6230, 39458), (6335, 38804), (7630, 32218), (9701, 25340), (12460, 19729), (12670, 19402), (15260, 16109)]