129448520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{170327}}^1$

素因数の和:170357

約数の個数: 32

約数和(自身を含む): 306590400

約数和(自身を除く): 177141880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 170327, 340654, 681308, 851635, 1362616, 1703270, 3236213, 3406540, 6472426, 6813080, 12944852, 16181065, 25889704, 32362130, 64724260, 129448520]

約数ペア:

[(1, 129448520), (2, 64724260), (4, 32362130), (5, 25889704), (8, 16181065), (10, 12944852), (19, 6813080), (20, 6472426), (38, 3406540), (40, 3236213), (76, 1703270), (95, 1362616), (152, 851635), (190, 681308), (380, 340654), (760, 170327)]