1289759870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2632163}}^1$

素因数の和:2632184

約数の個数: 24

約数和(自身を含む): 2700600264

約数和(自身を除く): 1410840394

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2632163, 5264326, 13160815, 18425141, 26321630, 36850282, 92125705, 128975987, 184251410, 257951974, 644879935, 1289759870]

約数ペア:

[(1, 1289759870), (2, 644879935), (5, 257951974), (7, 184251410), (10, 128975987), (14, 92125705), (35, 36850282), (49, 26321630), (70, 18425141), (98, 13160815), (245, 5264326), (490, 2632163)]