278567380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{153059}}^1$

素因数の和:153088

約数の個数: 48

約数和(自身を含む): 719994240

約数和(自身を除く): 441426860

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, 153059, 306118, 612236, 765295, 1071413, 1530590, 1989767, 2142826, 3061180, 3979534, 4285652, 5357065, 7959068, 9948835, 10714130, 13928369, 19897670, 21428260, 27856738, 39795340, 55713476, 69641845, 139283690, 278567380]

約数ペア:

[(1, 278567380), (2, 139283690), (4, 69641845), (5, 55713476), (7, 39795340), (10, 27856738), (13, 21428260), (14, 19897670), (20, 13928369), (26, 10714130), (28, 9948835), (35, 7959068), (52, 5357065), (65, 4285652), (70, 3979534), (91, 3061180), (130, 2142826), (140, 1989767), (182, 1530590), (260, 1071413), (364, 765295), (455, 612236), (910, 306118), (1820, 153059)]