291220880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{214133}}^1$

素因数の和:214163

約数の個数: 40

約数和(自身を含む): 716920632

約数和(自身を除く): 425699752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 214133, 428266, 856532, 1070665, 1713064, 2141330, 3426128, 3640261, 4282660, 7280522, 8565320, 14561044, 17130640, 18201305, 29122088, 36402610, 58244176, 72805220, 145610440, 291220880]

約数ペア:

[(1, 291220880), (2, 145610440), (4, 72805220), (5, 58244176), (8, 36402610), (10, 29122088), (16, 18201305), (17, 17130640), (20, 14561044), (34, 8565320), (40, 7280522), (68, 4282660), (80, 3640261), (85, 3426128), (136, 2141330), (170, 1713064), (272, 1070665), (340, 856532), (680, 428266), (1360, 214133)]