904240

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 40

約数和(自身を含む): 2142720

約数和(自身を除く): 1238480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 127, 178, 254, 356, 445, 508, 635, 712, 890, 1016, 1270, 1424, 1780, 2032, 2540, 3560, 5080, 7120, 10160, 11303, 22606, 45212, 56515, 90424, 113030, 180848, 226060, 452120, 904240]

約数ペア:

[(1, 904240), (2, 452120), (4, 226060), (5, 180848), (8, 113030), (10, 90424), (16, 56515), (20, 45212), (40, 22606), (80, 11303), (89, 10160), (127, 7120), (178, 5080), (254, 3560), (356, 2540), (445, 2032), (508, 1780), (635, 1424), (712, 1270), (890, 1016)]