7147940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 16087680

約数和(自身を除く): 8939740

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 379, 410, 460, 758, 820, 943, 1516, 1886, 1895, 3772, 3790, 4715, 7580, 8717, 9430, 15539, 17434, 18860, 31078, 34868, 43585, 62156, 77695, 87170, 155390, 174340, 310780, 357397, 714794, 1429588, 1786985, 3573970, 7147940]

約数ペア:

[(1, 7147940), (2, 3573970), (4, 1786985), (5, 1429588), (10, 714794), (20, 357397), (23, 310780), (41, 174340), (46, 155390), (82, 87170), (92, 77695), (115, 62156), (164, 43585), (205, 34868), (230, 31078), (379, 18860), (410, 17434), (460, 15539), (758, 9430), (820, 8717), (943, 7580), (1516, 4715), (1886, 3790), (1895, 3772)]