1213883980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1051}}^1$

素因数の和:1199

約数の個数: 96

約数和(自身を含む): 2799498240

約数和(自身を除く): 1585614260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 79, 85, 86, 158, 170, 172, 215, 316, 340, 395, 430, 731, 790, 860, 1051, 1343, 1462, 1580, 2102, 2686, 2924, 3397, 3655, 4204, 5255, 5372, 6715, 6794, 7310, 10510, 13430, 13588, 14620, 16985, 17867, 21020, 26860, 33970, 35734, 45193, 57749, 67940, 71468, 83029, 89335, 90386, 115498, 166058, 178670, 180772, 225965, 230996, 288745, 332116, 357340, 415145, 451930, 577490, 768281, 830290, 903860, 1154980, 1411493, 1536562, 1660580, 2822986, 3073124, 3570247, 3841405, 5645972, 7057465, 7140494, 7682810, 14114930, 14280988, 15365620, 17851235, 28229860, 35702470, 60694199, 71404940, 121388398, 242776796, 303470995, 606941990, 1213883980]

約数ペア:

[(1, 1213883980), (2, 606941990), (4, 303470995), (5, 242776796), (10, 121388398), (17, 71404940), (20, 60694199), (34, 35702470), (43, 28229860), (68, 17851235), (79, 15365620), (85, 14280988), (86, 14114930), (158, 7682810), (170, 7140494), (172, 7057465), (215, 5645972), (316, 3841405), (340, 3570247), (395, 3073124), (430, 2822986), (731, 1660580), (790, 1536562), (860, 1411493), (1051, 1154980), (1343, 903860), (1462, 830290), (1580, 768281), (2102, 577490), (2686, 451930), (2924, 415145), (3397, 357340), (3655, 332116), (4204, 288745), (5255, 230996), (5372, 225965), (6715, 180772), (6794, 178670), (7310, 166058), (10510, 115498), (13430, 90386), (13588, 89335), (14620, 83029), (16985, 71468), (17867, 67940), (21020, 57749), (26860, 45193), (33970, 35734)]