331388240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1548

約数の個数: 80

約数和(自身を含む): 800948736

約数和(自身を除く): 469560496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 71, 80, 82, 142, 164, 205, 284, 328, 355, 410, 568, 656, 710, 820, 1136, 1420, 1423, 1640, 2840, 2846, 2911, 3280, 5680, 5692, 5822, 7115, 11384, 11644, 14230, 14555, 22768, 23288, 28460, 29110, 46576, 56920, 58220, 58343, 101033, 113840, 116440, 116686, 202066, 232880, 233372, 291715, 404132, 466744, 505165, 583430, 808264, 933488, 1010330, 1166860, 1616528, 2020660, 2333720, 4041320, 4142353, 4667440, 8082640, 8284706, 16569412, 20711765, 33138824, 41423530, 66277648, 82847060, 165694120, 331388240]

約数ペア:

[(1, 331388240), (2, 165694120), (4, 82847060), (5, 66277648), (8, 41423530), (10, 33138824), (16, 20711765), (20, 16569412), (40, 8284706), (41, 8082640), (71, 4667440), (80, 4142353), (82, 4041320), (142, 2333720), (164, 2020660), (205, 1616528), (284, 1166860), (328, 1010330), (355, 933488), (410, 808264), (568, 583430), (656, 505165), (710, 466744), (820, 404132), (1136, 291715), (1420, 233372), (1423, 232880), (1640, 202066), (2840, 116686), (2846, 116440), (2911, 113840), (3280, 101033), (5680, 58343), (5692, 58220), (5822, 56920), (7115, 46576), (11384, 29110), (11644, 28460), (14230, 23288), (14555, 22768)]