145644400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:527

約数の個数: 120

約数和(自身を含む): 387475200

約数和(自身を除く): 241830800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 79, 80, 88, 100, 110, 158, 176, 200, 220, 275, 316, 395, 400, 419, 440, 550, 632, 790, 838, 869, 880, 1100, 1264, 1580, 1676, 1738, 1975, 2095, 2200, 3160, 3352, 3476, 3950, 4190, 4345, 4400, 4609, 6320, 6704, 6952, 7900, 8380, 8690, 9218, 10475, 13904, 15800, 16760, 17380, 18436, 20950, 21725, 23045, 31600, 33101, 33520, 34760, 36872, 41900, 43450, 46090, 66202, 69520, 73744, 83800, 86900, 92180, 115225, 132404, 165505, 167600, 173800, 184360, 230450, 264808, 331010, 347600, 364111, 368720, 460900, 529616, 662020, 728222, 827525, 921800, 1324040, 1456444, 1655050, 1820555, 1843600, 2648080, 2912888, 3310100, 3641110, 5825776, 6620200, 7282220, 9102775, 13240400, 14564440, 18205550, 29128880, 36411100, 72822200, 145644400]

約数ペア:

[(1, 145644400), (2, 72822200), (4, 36411100), (5, 29128880), (8, 18205550), (10, 14564440), (11, 13240400), (16, 9102775), (20, 7282220), (22, 6620200), (25, 5825776), (40, 3641110), (44, 3310100), (50, 2912888), (55, 2648080), (79, 1843600), (80, 1820555), (88, 1655050), (100, 1456444), (110, 1324040), (158, 921800), (176, 827525), (200, 728222), (220, 662020), (275, 529616), (316, 460900), (395, 368720), (400, 364111), (419, 347600), (440, 331010), (550, 264808), (632, 230450), (790, 184360), (838, 173800), (869, 167600), (880, 165505), (1100, 132404), (1264, 115225), (1580, 92180), (1676, 86900), (1738, 83800), (1975, 73744), (2095, 69520), (2200, 66202), (3160, 46090), (3352, 43450), (3476, 41900), (3950, 36872), (4190, 34760), (4345, 33520), (4400, 33101), (4609, 31600), (6320, 23045), (6704, 21725), (6952, 20950), (7900, 18436), (8380, 17380), (8690, 16760), (9218, 15800), (10475, 13904)]