1349240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 3078000

約数和(自身を除く): 1728760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 379, 445, 712, 758, 890, 1516, 1780, 1895, 3032, 3560, 3790, 7580, 15160, 33731, 67462, 134924, 168655, 269848, 337310, 674620, 1349240]

約数ペア:

[(1, 1349240), (2, 674620), (4, 337310), (5, 269848), (8, 168655), (10, 134924), (20, 67462), (40, 33731), (89, 15160), (178, 7580), (356, 3790), (379, 3560), (445, 3032), (712, 1895), (758, 1780), (890, 1516)]