28850800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 77495040

約数和(自身を除く): 48644240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 79, 80, 83, 88, 100, 110, 158, 166, 176, 200, 220, 275, 316, 332, 395, 400, 415, 440, 550, 632, 664, 790, 830, 869, 880, 913, 1100, 1264, 1328, 1580, 1660, 1738, 1826, 1975, 2075, 2200, 3160, 3320, 3476, 3652, 3950, 4150, 4345, 4400, 4565, 6320, 6557, 6640, 6952, 7304, 7900, 8300, 8690, 9130, 13114, 13904, 14608, 15800, 16600, 17380, 18260, 21725, 22825, 26228, 31600, 32785, 33200, 34760, 36520, 43450, 45650, 52456, 65570, 69520, 72127, 73040, 86900, 91300, 104912, 131140, 144254, 163925, 173800, 182600, 262280, 288508, 327850, 347600, 360635, 365200, 524560, 577016, 655700, 721270, 1154032, 1311400, 1442540, 1803175, 2622800, 2885080, 3606350, 5770160, 7212700, 14425400, 28850800]

約数ペア:

[(1, 28850800), (2, 14425400), (4, 7212700), (5, 5770160), (8, 3606350), (10, 2885080), (11, 2622800), (16, 1803175), (20, 1442540), (22, 1311400), (25, 1154032), (40, 721270), (44, 655700), (50, 577016), (55, 524560), (79, 365200), (80, 360635), (83, 347600), (88, 327850), (100, 288508), (110, 262280), (158, 182600), (166, 173800), (176, 163925), (200, 144254), (220, 131140), (275, 104912), (316, 91300), (332, 86900), (395, 73040), (400, 72127), (415, 69520), (440, 65570), (550, 52456), (632, 45650), (664, 43450), (790, 36520), (830, 34760), (869, 33200), (880, 32785), (913, 31600), (1100, 26228), (1264, 22825), (1328, 21725), (1580, 18260), (1660, 17380), (1738, 16600), (1826, 15800), (1975, 14608), (2075, 13904), (2200, 13114), (3160, 9130), (3320, 8690), (3476, 8300), (3652, 7900), (3950, 7304), (4150, 6952), (4345, 6640), (4400, 6557), (4565, 6320)]