239003180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2347

約数の個数: 72

約数和(自身を含む): 561262464

約数和(自身を除く): 322259284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 806, 845, 1612, 1690, 2015, 2281, 3380, 4030, 4562, 5239, 8060, 9124, 10478, 11405, 20956, 22810, 26195, 29653, 45620, 52390, 59306, 70711, 104780, 118612, 141422, 148265, 282844, 296530, 353555, 385489, 593060, 707110, 770978, 919243, 1414220, 1541956, 1838486, 1927445, 3676972, 3854890, 4596215, 7709780, 9192430, 11950159, 18384860, 23900318, 47800636, 59750795, 119501590, 239003180]

約数ペア:

[(1, 239003180), (2, 119501590), (4, 59750795), (5, 47800636), (10, 23900318), (13, 18384860), (20, 11950159), (26, 9192430), (31, 7709780), (52, 4596215), (62, 3854890), (65, 3676972), (124, 1927445), (130, 1838486), (155, 1541956), (169, 1414220), (260, 919243), (310, 770978), (338, 707110), (403, 593060), (620, 385489), (676, 353555), (806, 296530), (845, 282844), (1612, 148265), (1690, 141422), (2015, 118612), (2281, 104780), (3380, 70711), (4030, 59306), (4562, 52390), (5239, 45620), (8060, 29653), (9124, 26195), (10478, 22810), (11405, 20956)]