131572140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{313267}}^1$

素因数の和:313286

約数の個数: 48

約数和(自身を含む): 421032192

約数和(自身を除く): 289460052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 313267, 626534, 939801, 1253068, 1566335, 1879602, 2192869, 3132670, 3759204, 4385738, 4699005, 6265340, 6578607, 8771476, 9398010, 10964345, 13157214, 18796020, 21928690, 26314428, 32893035, 43857380, 65786070, 131572140]

約数ペア:

[(1, 131572140), (2, 65786070), (3, 43857380), (4, 32893035), (5, 26314428), (6, 21928690), (7, 18796020), (10, 13157214), (12, 10964345), (14, 9398010), (15, 8771476), (20, 6578607), (21, 6265340), (28, 4699005), (30, 4385738), (35, 3759204), (42, 3132670), (60, 2192869), (70, 1879602), (84, 1566335), (105, 1253068), (140, 939801), (210, 626534), (420, 313267)]