289226240

素因数分解:

$2^9\times 5^1\times {\mathrm{112979}}^1$

素因数の和:113002

約数の個数: 40

約数和(自身を含む): 693471240

約数和(自身を除く): 404245000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 112979, 225958, 451916, 564895, 903832, 1129790, 1807664, 2259580, 3615328, 4519160, 7230656, 9038320, 14461312, 18076640, 28922624, 36153280, 57845248, 72306560, 144613120, 289226240]

約数ペア:

[(1, 289226240), (2, 144613120), (4, 72306560), (5, 57845248), (8, 36153280), (10, 28922624), (16, 18076640), (20, 14461312), (32, 9038320), (40, 7230656), (64, 4519160), (80, 3615328), (128, 2259580), (160, 1807664), (256, 1129790), (320, 903832), (512, 564895), (640, 451916), (1280, 225958), (2560, 112979)]