1008144620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{14489}}^1$

素因数の和:14583

約数の個数: 72

約数和(自身を含む): 2497612320

約数和(自身を除く): 1489467700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 3479, 4970, 6958, 9940, 13916, 14489, 17395, 28978, 34790, 57956, 69580, 72445, 101423, 144890, 202846, 289780, 405692, 507115, 709961, 1014230, 1028719, 1419922, 2028460, 2057438, 2839844, 3549805, 4114876, 5143595, 7099610, 7201033, 10287190, 14199220, 14402066, 20574380, 28804132, 36005165, 50407231, 72010330, 100814462, 144020660, 201628924, 252036155, 504072310, 1008144620]

約数ペア:

[(1, 1008144620), (2, 504072310), (4, 252036155), (5, 201628924), (7, 144020660), (10, 100814462), (14, 72010330), (20, 50407231), (28, 36005165), (35, 28804132), (49, 20574380), (70, 14402066), (71, 14199220), (98, 10287190), (140, 7201033), (142, 7099610), (196, 5143595), (245, 4114876), (284, 3549805), (355, 2839844), (490, 2057438), (497, 2028460), (710, 1419922), (980, 1028719), (994, 1014230), (1420, 709961), (1988, 507115), (2485, 405692), (3479, 289780), (4970, 202846), (6958, 144890), (9940, 101423), (13916, 72445), (14489, 69580), (17395, 57956), (28978, 34790)]