128975260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{16493}}^1$

素因数の和:16542

約数の個数: 48

約数和(自身を含む): 299267136

約数和(自身を除く): 170291876

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 16493, 32986, 65972, 82465, 164930, 280381, 329860, 379339, 560762, 758678, 1121524, 1401905, 1517356, 1896695, 2803810, 3793390, 5607620, 6448763, 7586780, 12897526, 25795052, 32243815, 64487630, 128975260]

約数ペア:

[(1, 128975260), (2, 64487630), (4, 32243815), (5, 25795052), (10, 12897526), (17, 7586780), (20, 6448763), (23, 5607620), (34, 3793390), (46, 2803810), (68, 1896695), (85, 1517356), (92, 1401905), (115, 1121524), (170, 758678), (230, 560762), (340, 379339), (391, 329860), (460, 280381), (782, 164930), (1564, 82465), (1955, 65972), (3910, 32986), (7820, 16493)]