291236973040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1931}}^1\times {\mathrm{145021}}^1$

素因数の和:146978

約数の個数: 80

約数和(自身を含む): 729595240416

約数和(自身を除く): 438358267376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1931, 3862, 7724, 9655, 15448, 19310, 25103, 30896, 38620, 50206, 77240, 100412, 125515, 145021, 154480, 200824, 251030, 290042, 401648, 502060, 580084, 725105, 1004120, 1160168, 1450210, 1885273, 2008240, 2320336, 2900420, 3770546, 5800840, 7541092, 9426365, 11601680, 15082184, 18852730, 30164368, 37705460, 75410920, 150821840, 280035551, 560071102, 1120142204, 1400177755, 2240284408, 2800355510, 3640462163, 4480568816, 5600711020, 7280924326, 11201422040, 14561848652, 18202310815, 22402844080, 29123697304, 36404621630, 58247394608, 72809243260, 145618486520, 291236973040]

約数ペア:

[(1, 291236973040), (2, 145618486520), (4, 72809243260), (5, 58247394608), (8, 36404621630), (10, 29123697304), (13, 22402844080), (16, 18202310815), (20, 14561848652), (26, 11201422040), (40, 7280924326), (52, 5600711020), (65, 4480568816), (80, 3640462163), (104, 2800355510), (130, 2240284408), (208, 1400177755), (260, 1120142204), (520, 560071102), (1040, 280035551), (1931, 150821840), (3862, 75410920), (7724, 37705460), (9655, 30164368), (15448, 18852730), (19310, 15082184), (25103, 11601680), (30896, 9426365), (38620, 7541092), (50206, 5800840), (77240, 3770546), (100412, 2900420), (125515, 2320336), (145021, 2008240), (154480, 1885273), (200824, 1450210), (251030, 1160168), (290042, 1004120), (401648, 725105), (502060, 580084)]