90987260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49993}}^1$

素因数の和:50022

約数の個数: 48

約数和(自身を含む): 235171776

約数和(自身を除く): 144184516

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, 49993, 99986, 199972, 249965, 349951, 499930, 649909, 699902, 999860, 1299818, 1399804, 1749755, 2599636, 3249545, 3499510, 4549363, 6499090, 6999020, 9098726, 12998180, 18197452, 22746815, 45493630, 90987260]

約数ペア:

[(1, 90987260), (2, 45493630), (4, 22746815), (5, 18197452), (7, 12998180), (10, 9098726), (13, 6999020), (14, 6499090), (20, 4549363), (26, 3499510), (28, 3249545), (35, 2599636), (52, 1749755), (65, 1399804), (70, 1299818), (91, 999860), (130, 699902), (140, 649909), (182, 499930), (260, 349951), (364, 249965), (455, 199972), (910, 99986), (1820, 49993)]