265880380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149371}}^1$

素因数の和:149469

約数の個数: 24

約数和(自身を含む): 564626160

約数和(自身を除く): 298745780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 149371, 298742, 597484, 746855, 1493710, 2987420, 13294019, 26588038, 53176076, 66470095, 132940190, 265880380]

約数ペア:

[(1, 265880380), (2, 132940190), (4, 66470095), (5, 53176076), (10, 26588038), (20, 13294019), (89, 2987420), (178, 1493710), (356, 746855), (445, 597484), (890, 298742), (1780, 149371)]