213625480

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{1009}}^1$

素因数の和:1166

約数の個数: 64

約数和(自身を含む): 494496000

約数和(自身を除く): 280870520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 79, 134, 158, 268, 316, 335, 395, 536, 632, 670, 790, 1009, 1340, 1580, 2018, 2680, 3160, 4036, 5045, 5293, 8072, 10090, 10586, 20180, 21172, 26465, 40360, 42344, 52930, 67603, 79711, 105860, 135206, 159422, 211720, 270412, 318844, 338015, 398555, 540824, 637688, 676030, 797110, 1352060, 1594220, 2704120, 3188440, 5340637, 10681274, 21362548, 26703185, 42725096, 53406370, 106812740, 213625480]

約数ペア:

[(1, 213625480), (2, 106812740), (4, 53406370), (5, 42725096), (8, 26703185), (10, 21362548), (20, 10681274), (40, 5340637), (67, 3188440), (79, 2704120), (134, 1594220), (158, 1352060), (268, 797110), (316, 676030), (335, 637688), (395, 540824), (536, 398555), (632, 338015), (670, 318844), (790, 270412), (1009, 211720), (1340, 159422), (1580, 135206), (2018, 105860), (2680, 79711), (3160, 67603), (4036, 52930), (5045, 42344), (5293, 40360), (8072, 26465), (10090, 21172), (10586, 20180)]