172000840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1181}}^1$

素因数の和:1534

約数の個数: 64

約数和(自身を含む): 423817920

約数和(自身を除く): 251817080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 331, 440, 662, 1181, 1324, 1655, 2362, 2648, 3310, 3641, 4724, 5905, 6620, 7282, 9448, 11810, 12991, 13240, 14564, 18205, 23620, 25982, 29128, 36410, 47240, 51964, 64955, 72820, 103928, 129910, 145640, 259820, 390911, 519640, 781822, 1563644, 1954555, 3127288, 3909110, 4300021, 7818220, 8600042, 15636440, 17200084, 21500105, 34400168, 43000210, 86000420, 172000840]

約数ペア:

[(1, 172000840), (2, 86000420), (4, 43000210), (5, 34400168), (8, 21500105), (10, 17200084), (11, 15636440), (20, 8600042), (22, 7818220), (40, 4300021), (44, 3909110), (55, 3127288), (88, 1954555), (110, 1563644), (220, 781822), (331, 519640), (440, 390911), (662, 259820), (1181, 145640), (1324, 129910), (1655, 103928), (2362, 72820), (2648, 64955), (3310, 51964), (3641, 47240), (4724, 36410), (5905, 29128), (6620, 25982), (7282, 23620), (9448, 18205), (11810, 14564), (12991, 13240)]