1313440220

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{379607}}^1$

素因数の和:379789

約数の個数: 24

約数和(自身を含む): 2774175264

約数和(自身を除く): 1460735044

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 379607, 759214, 1518428, 1898035, 3796070, 7592140, 65672011, 131344022, 262688044, 328360055, 656720110, 1313440220]

約数ペア:

[(1, 1313440220), (2, 656720110), (4, 328360055), (5, 262688044), (10, 131344022), (20, 65672011), (173, 7592140), (346, 3796070), (692, 1898035), (865, 1518428), (1730, 759214), (3460, 379607)]