201346480

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28279}}^1$

素因数の和:28381

約数の個数: 40

約数和(自身を含む): 473407200

約数和(自身を除く): 272060720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 28279, 56558, 113116, 141395, 226232, 282790, 452464, 565580, 1131160, 2262320, 2516831, 5033662, 10067324, 12584155, 20134648, 25168310, 40269296, 50336620, 100673240, 201346480]

約数ペア:

[(1, 201346480), (2, 100673240), (4, 50336620), (5, 40269296), (8, 25168310), (10, 20134648), (16, 12584155), (20, 10067324), (40, 5033662), (80, 2516831), (89, 2262320), (178, 1131160), (356, 565580), (445, 452464), (712, 282790), (890, 226232), (1424, 141395), (1780, 113116), (3560, 56558), (7120, 28279)]