217699280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{160073}}^1$

素因数の和:160103

約数の個数: 40

約数和(自身を含む): 535927752

約数和(自身を除く): 318228472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 160073, 320146, 640292, 800365, 1280584, 1600730, 2561168, 2721241, 3201460, 5442482, 6402920, 10884964, 12805840, 13606205, 21769928, 27212410, 43539856, 54424820, 108849640, 217699280]

約数ペア:

[(1, 217699280), (2, 108849640), (4, 54424820), (5, 43539856), (8, 27212410), (10, 21769928), (16, 13606205), (17, 12805840), (20, 10884964), (34, 6402920), (40, 5442482), (68, 3201460), (80, 2721241), (85, 2561168), (136, 1600730), (170, 1280584), (272, 800365), (340, 640292), (680, 320146), (1360, 160073)]