128589020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 330728832

約数和(自身を除く): 202139812

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 97, 119, 140, 170, 194, 238, 340, 388, 476, 485, 557, 595, 679, 970, 1114, 1190, 1358, 1649, 1940, 2228, 2380, 2716, 2785, 3298, 3395, 3899, 5570, 6596, 6790, 7798, 8245, 9469, 11140, 11543, 13580, 15596, 16490, 18938, 19495, 23086, 32980, 37876, 38990, 46172, 47345, 54029, 57715, 66283, 77980, 94690, 108058, 115430, 132566, 189380, 216116, 230860, 265132, 270145, 331415, 378203, 540290, 662830, 756406, 918493, 1080580, 1325660, 1512812, 1836986, 1891015, 3673972, 3782030, 4592465, 6429451, 7564060, 9184930, 12858902, 18369860, 25717804, 32147255, 64294510, 128589020]

約数ペア:

[(1, 128589020), (2, 64294510), (4, 32147255), (5, 25717804), (7, 18369860), (10, 12858902), (14, 9184930), (17, 7564060), (20, 6429451), (28, 4592465), (34, 3782030), (35, 3673972), (68, 1891015), (70, 1836986), (85, 1512812), (97, 1325660), (119, 1080580), (140, 918493), (170, 756406), (194, 662830), (238, 540290), (340, 378203), (388, 331415), (476, 270145), (485, 265132), (557, 230860), (595, 216116), (679, 189380), (970, 132566), (1114, 115430), (1190, 108058), (1358, 94690), (1649, 77980), (1940, 66283), (2228, 57715), (2380, 54029), (2716, 47345), (2785, 46172), (3298, 38990), (3395, 37876), (3899, 32980), (5570, 23086), (6596, 19495), (6790, 18938), (7798, 16490), (8245, 15596), (9469, 13580), (11140, 11543)]