13881980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{433}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 33539520

約数和(自身を除く): 19657540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 433, 458, 866, 916, 1145, 1603, 1732, 2165, 2290, 3031, 3206, 4330, 4580, 6062, 6412, 8015, 8660, 12124, 15155, 16030, 30310, 32060, 60620, 99157, 198314, 396628, 495785, 694099, 991570, 1388198, 1983140, 2776396, 3470495, 6940990, 13881980]

約数ペア:

[(1, 13881980), (2, 6940990), (4, 3470495), (5, 2776396), (7, 1983140), (10, 1388198), (14, 991570), (20, 694099), (28, 495785), (35, 396628), (70, 198314), (140, 99157), (229, 60620), (433, 32060), (458, 30310), (866, 16030), (916, 15155), (1145, 12124), (1603, 8660), (1732, 8015), (2165, 6412), (2290, 6062), (3031, 4580), (3206, 4330)]