1222659620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{671791}}^1$

素因数の和:671820

約数の個数: 48

約数和(自身を含む): 3160109568

約数和(自身を除く): 1937449948

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 671791, 1343582, 2687164, 3358955, 4702537, 6717910, 8733283, 9405074, 13435820, 17466566, 18810148, 23512685, 34933132, 43666415, 47025370, 61132981, 87332830, 94050740, 122265962, 174665660, 244531924, 305664905, 611329810, 1222659620]

約数ペア:

[(1, 1222659620), (2, 611329810), (4, 305664905), (5, 244531924), (7, 174665660), (10, 122265962), (13, 94050740), (14, 87332830), (20, 61132981), (26, 47025370), (28, 43666415), (35, 34933132), (52, 23512685), (65, 18810148), (70, 17466566), (91, 13435820), (130, 9405074), (140, 8733283), (182, 6717910), (260, 4702537), (364, 3358955), (455, 2687164), (910, 1343582), (1820, 671791)]