285739900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2663}}^1$

素因数の和:2743

約数の個数: 72

約数和(自身を含む): 659020320

約数和(自身を除く): 373280420

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 37, 50, 58, 74, 100, 116, 145, 148, 185, 290, 370, 580, 725, 740, 925, 1073, 1450, 1850, 2146, 2663, 2900, 3700, 4292, 5326, 5365, 10652, 10730, 13315, 21460, 26630, 26825, 53260, 53650, 66575, 77227, 98531, 107300, 133150, 154454, 197062, 266300, 308908, 386135, 394124, 492655, 772270, 985310, 1544540, 1930675, 1970620, 2463275, 2857399, 3861350, 4926550, 5714798, 7722700, 9853100, 11429596, 14286995, 28573990, 57147980, 71434975, 142869950, 285739900]

約数ペア:

[(1, 285739900), (2, 142869950), (4, 71434975), (5, 57147980), (10, 28573990), (20, 14286995), (25, 11429596), (29, 9853100), (37, 7722700), (50, 5714798), (58, 4926550), (74, 3861350), (100, 2857399), (116, 2463275), (145, 1970620), (148, 1930675), (185, 1544540), (290, 985310), (370, 772270), (580, 492655), (725, 394124), (740, 386135), (925, 308908), (1073, 266300), (1450, 197062), (1850, 154454), (2146, 133150), (2663, 107300), (2900, 98531), (3700, 77227), (4292, 66575), (5326, 53650), (5365, 53260), (10652, 26825), (10730, 26630), (13315, 21460)]