1390970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 2958336

約数和(自身を除く): 1567366

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 641, 1085, 1282, 2170, 3205, 4487, 6410, 8974, 19871, 22435, 39742, 44870, 99355, 139097, 198710, 278194, 695485, 1390970]

約数ペア:

[(1, 1390970), (2, 695485), (5, 278194), (7, 198710), (10, 139097), (14, 99355), (31, 44870), (35, 39742), (62, 22435), (70, 19871), (155, 8974), (217, 6410), (310, 4487), (434, 3205), (641, 2170), (1085, 1282)]