428379920

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1560

約数の個数: 80

約数和(自身を含む): 1029791232

約数和(自身を除く): 601411312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 71, 80, 106, 142, 212, 265, 284, 355, 424, 530, 568, 710, 848, 1060, 1136, 1420, 1423, 2120, 2840, 2846, 3763, 4240, 5680, 5692, 7115, 7526, 11384, 14230, 15052, 18815, 22768, 28460, 30104, 37630, 56920, 60208, 75260, 75419, 101033, 113840, 150520, 150838, 202066, 301040, 301676, 377095, 404132, 505165, 603352, 754190, 808264, 1010330, 1206704, 1508380, 1616528, 2020660, 3016760, 4041320, 5354749, 6033520, 8082640, 10709498, 21418996, 26773745, 42837992, 53547490, 85675984, 107094980, 214189960, 428379920]

約数ペア:

[(1, 428379920), (2, 214189960), (4, 107094980), (5, 85675984), (8, 53547490), (10, 42837992), (16, 26773745), (20, 21418996), (40, 10709498), (53, 8082640), (71, 6033520), (80, 5354749), (106, 4041320), (142, 3016760), (212, 2020660), (265, 1616528), (284, 1508380), (355, 1206704), (424, 1010330), (530, 808264), (568, 754190), (710, 603352), (848, 505165), (1060, 404132), (1136, 377095), (1420, 301676), (1423, 301040), (2120, 202066), (2840, 150838), (2846, 150520), (3763, 113840), (4240, 101033), (5680, 75419), (5692, 75260), (7115, 60208), (7526, 56920), (11384, 37630), (14230, 30104), (15052, 28460), (18815, 22768)]