279969800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 748077120

約数和(自身を除く): 468107320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 25, 40, 44, 46, 50, 55, 88, 92, 100, 110, 115, 121, 184, 200, 220, 230, 242, 253, 275, 440, 460, 484, 503, 506, 550, 575, 605, 920, 968, 1006, 1012, 1100, 1150, 1210, 1265, 2012, 2024, 2200, 2300, 2420, 2515, 2530, 2783, 3025, 4024, 4600, 4840, 5030, 5060, 5533, 5566, 6050, 6325, 10060, 10120, 11066, 11132, 11569, 12100, 12575, 12650, 13915, 20120, 22132, 22264, 23138, 24200, 25150, 25300, 27665, 27830, 44264, 46276, 50300, 50600, 55330, 55660, 57845, 60863, 69575, 92552, 100600, 110660, 111320, 115690, 121726, 127259, 138325, 139150, 221320, 231380, 243452, 254518, 276650, 278300, 289225, 304315, 462760, 486904, 509036, 553300, 556600, 578450, 608630, 636295, 1018072, 1106600, 1156900, 1217260, 1272590, 1399849, 1521575, 2313800, 2434520, 2545180, 2799698, 3043150, 3181475, 5090360, 5599396, 6086300, 6362950, 6999245, 11198792, 12172600, 12725900, 13998490, 25451800, 27996980, 34996225, 55993960, 69992450, 139984900, 279969800]

約数ペア:

[(1, 279969800), (2, 139984900), (4, 69992450), (5, 55993960), (8, 34996225), (10, 27996980), (11, 25451800), (20, 13998490), (22, 12725900), (23, 12172600), (25, 11198792), (40, 6999245), (44, 6362950), (46, 6086300), (50, 5599396), (55, 5090360), (88, 3181475), (92, 3043150), (100, 2799698), (110, 2545180), (115, 2434520), (121, 2313800), (184, 1521575), (200, 1399849), (220, 1272590), (230, 1217260), (242, 1156900), (253, 1106600), (275, 1018072), (440, 636295), (460, 608630), (484, 578450), (503, 556600), (506, 553300), (550, 509036), (575, 486904), (605, 462760), (920, 304315), (968, 289225), (1006, 278300), (1012, 276650), (1100, 254518), (1150, 243452), (1210, 231380), (1265, 221320), (2012, 139150), (2024, 138325), (2200, 127259), (2300, 121726), (2420, 115690), (2515, 111320), (2530, 110660), (2783, 100600), (3025, 92552), (4024, 69575), (4600, 60863), (4840, 57845), (5030, 55660), (5060, 55330), (5533, 50600), (5566, 50300), (6050, 46276), (6325, 44264), (10060, 27830), (10120, 27665), (11066, 25300), (11132, 25150), (11569, 24200), (12100, 23138), (12575, 22264), (12650, 22132), (13915, 20120)]