684400460

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{1187}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 1456164864

約数和(自身を除く): 771764404

約数列:

[1, 2, 4, 5, 10, 20, 127, 227, 254, 454, 508, 635, 908, 1135, 1187, 1270, 2270, 2374, 2540, 4540, 4748, 5935, 11870, 23740, 28829, 57658, 115316, 144145, 150749, 269449, 288290, 301498, 538898, 576580, 602996, 753745, 1077796, 1347245, 1507490, 2694490, 3014980, 5388980, 34220023, 68440046, 136880092, 171100115, 342200230, 684400460]

約数ペア:

[(1, 684400460), (2, 342200230), (4, 171100115), (5, 136880092), (10, 68440046), (20, 34220023), (127, 5388980), (227, 3014980), (254, 2694490), (454, 1507490), (508, 1347245), (635, 1077796), (908, 753745), (1135, 602996), (1187, 576580), (1270, 538898), (2270, 301498), (2374, 288290), (2540, 269449), (4540, 150749), (4748, 144145), (5935, 115316), (11870, 57658), (23740, 28829)]