1363240

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 3100680

約数和(自身を除く): 1737440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 197, 346, 394, 692, 788, 865, 985, 1384, 1576, 1730, 1970, 3460, 3940, 6920, 7880, 34081, 68162, 136324, 170405, 272648, 340810, 681620, 1363240]

約数ペア:

[(1, 1363240), (2, 681620), (4, 340810), (5, 272648), (8, 170405), (10, 136324), (20, 68162), (40, 34081), (173, 7880), (197, 6920), (346, 3940), (394, 3460), (692, 1970), (788, 1730), (865, 1576), (985, 1384)]