257077210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:847

約数の個数: 64

約数和(自身を含む): 524869632

約数和(自身を除く): 267792422

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 127, 130, 230, 254, 299, 598, 635, 677, 1270, 1354, 1495, 1651, 2921, 2990, 3302, 3385, 5842, 6770, 8255, 8801, 14605, 15571, 16510, 17602, 29210, 31142, 37973, 44005, 75946, 77855, 85979, 88010, 155710, 171958, 189865, 202423, 379730, 404846, 429895, 859790, 1012115, 1117727, 1977517, 2024230, 2235454, 3955034, 5588635, 9887585, 11177270, 19775170, 25707721, 51415442, 128538605, 257077210]

約数ペア:

[(1, 257077210), (2, 128538605), (5, 51415442), (10, 25707721), (13, 19775170), (23, 11177270), (26, 9887585), (46, 5588635), (65, 3955034), (115, 2235454), (127, 2024230), (130, 1977517), (230, 1117727), (254, 1012115), (299, 859790), (598, 429895), (635, 404846), (677, 379730), (1270, 202423), (1354, 189865), (1495, 171958), (1651, 155710), (2921, 88010), (2990, 85979), (3302, 77855), (3385, 75946), (5842, 44005), (6770, 37973), (8255, 31142), (8801, 29210), (14605, 17602), (15571, 16510)]