138780815080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7331}}^1\times {\mathrm{12791}}^1$

素因数の和:20170

約数の個数: 64

約数和(自身を含む): 320765028480

約数和(自身を除く): 181984213400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 7331, 12791, 14662, 25582, 29324, 36655, 51164, 58648, 63955, 73310, 102328, 127910, 146620, 255820, 271247, 293240, 473267, 511640, 542494, 946534, 1084988, 1356235, 1893068, 2169976, 2366335, 2712470, 3786136, 4732670, 5424940, 9465340, 10849880, 18930680, 93770821, 187541642, 375083284, 468854105, 750166568, 937708210, 1875416420, 3469520377, 3750832840, 6939040754, 13878081508, 17347601885, 27756163016, 34695203770, 69390407540, 138780815080]

約数ペア:

[(1, 138780815080), (2, 69390407540), (4, 34695203770), (5, 27756163016), (8, 17347601885), (10, 13878081508), (20, 6939040754), (37, 3750832840), (40, 3469520377), (74, 1875416420), (148, 937708210), (185, 750166568), (296, 468854105), (370, 375083284), (740, 187541642), (1480, 93770821), (7331, 18930680), (12791, 10849880), (14662, 9465340), (25582, 5424940), (29324, 4732670), (36655, 3786136), (51164, 2712470), (58648, 2366335), (63955, 2169976), (73310, 1893068), (102328, 1356235), (127910, 1084988), (146620, 946534), (255820, 542494), (271247, 511640), (293240, 473267)]