769997720

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1\times {\mathrm{283}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 1751984640

約数和(自身を除く): 981986920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 271, 283, 502, 542, 566, 1004, 1084, 1132, 1255, 1355, 1415, 2008, 2168, 2264, 2510, 2710, 2830, 5020, 5420, 5660, 10040, 10840, 11320, 68021, 71033, 76693, 136042, 142066, 153386, 272084, 284132, 306772, 340105, 355165, 383465, 544168, 568264, 613544, 680210, 710330, 766930, 1360420, 1420660, 1533860, 2720840, 2841320, 3067720, 19249943, 38499886, 76999772, 96249715, 153999544, 192499430, 384998860, 769997720]

約数ペア:

[(1, 769997720), (2, 384998860), (4, 192499430), (5, 153999544), (8, 96249715), (10, 76999772), (20, 38499886), (40, 19249943), (251, 3067720), (271, 2841320), (283, 2720840), (502, 1533860), (542, 1420660), (566, 1360420), (1004, 766930), (1084, 710330), (1132, 680210), (1255, 613544), (1355, 568264), (1415, 544168), (2008, 383465), (2168, 355165), (2264, 340105), (2510, 306772), (2710, 284132), (2830, 272084), (5020, 153386), (5420, 142066), (5660, 136042), (10040, 76693), (10840, 71033), (11320, 68021)]