408250780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{863}}^1$

素因数の和:1019

約数の個数: 96

約数和(自身を含む): 1021870080

約数和(自身を除く): 613619300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 109, 124, 140, 155, 217, 218, 310, 434, 436, 545, 620, 763, 863, 868, 1085, 1090, 1526, 1726, 2170, 2180, 3052, 3379, 3452, 3815, 4315, 4340, 6041, 6758, 7630, 8630, 12082, 13516, 15260, 16895, 17260, 23653, 24164, 26753, 30205, 33790, 47306, 53506, 60410, 67580, 94067, 94612, 107012, 118265, 120820, 133765, 187271, 188134, 236530, 267530, 374542, 376268, 470335, 473060, 535060, 658469, 749084, 936355, 940670, 1316938, 1872710, 1881340, 2633876, 2916077, 3292345, 3745420, 5832154, 6584690, 11664308, 13169380, 14580385, 20412539, 29160770, 40825078, 58321540, 81650156, 102062695, 204125390, 408250780]

約数ペア:

[(1, 408250780), (2, 204125390), (4, 102062695), (5, 81650156), (7, 58321540), (10, 40825078), (14, 29160770), (20, 20412539), (28, 14580385), (31, 13169380), (35, 11664308), (62, 6584690), (70, 5832154), (109, 3745420), (124, 3292345), (140, 2916077), (155, 2633876), (217, 1881340), (218, 1872710), (310, 1316938), (434, 940670), (436, 936355), (545, 749084), (620, 658469), (763, 535060), (863, 473060), (868, 470335), (1085, 376268), (1090, 374542), (1526, 267530), (1726, 236530), (2170, 188134), (2180, 187271), (3052, 133765), (3379, 120820), (3452, 118265), (3815, 107012), (4315, 94612), (4340, 94067), (6041, 67580), (6758, 60410), (7630, 53506), (8630, 47306), (12082, 33790), (13516, 30205), (15260, 26753), (16895, 24164), (17260, 23653)]