78329290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 81337910

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 79, 130, 145, 158, 263, 290, 377, 395, 526, 754, 790, 1027, 1315, 1885, 2054, 2291, 2630, 3419, 3770, 4582, 5135, 6838, 7627, 10270, 11455, 15254, 17095, 20777, 22910, 29783, 34190, 38135, 41554, 59566, 76270, 99151, 103885, 148915, 198302, 207770, 270101, 297830, 495755, 540202, 602533, 991510, 1205066, 1350505, 2701010, 3012665, 6025330, 7832929, 15665858, 39164645, 78329290]

約数ペア:

[(1, 78329290), (2, 39164645), (5, 15665858), (10, 7832929), (13, 6025330), (26, 3012665), (29, 2701010), (58, 1350505), (65, 1205066), (79, 991510), (130, 602533), (145, 540202), (158, 495755), (263, 297830), (290, 270101), (377, 207770), (395, 198302), (526, 148915), (754, 103885), (790, 99151), (1027, 76270), (1315, 59566), (1885, 41554), (2054, 38135), (2291, 34190), (2630, 29783), (3419, 22910), (3770, 20777), (4582, 17095), (5135, 15254), (6838, 11455), (7627, 10270)]