320273800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2971}}^1$

素因数の和:3012

約数の個数: 144

約数和(自身を含む): 945274320

約数和(自身を除く): 625000520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 88, 98, 100, 110, 140, 154, 175, 196, 200, 220, 245, 275, 280, 308, 350, 385, 392, 440, 490, 539, 550, 616, 700, 770, 980, 1078, 1100, 1225, 1400, 1540, 1925, 1960, 2156, 2200, 2450, 2695, 2971, 3080, 3850, 4312, 4900, 5390, 5942, 7700, 9800, 10780, 11884, 13475, 14855, 15400, 20797, 21560, 23768, 26950, 29710, 32681, 41594, 53900, 59420, 65362, 74275, 83188, 103985, 107800, 118840, 130724, 145579, 148550, 163405, 166376, 207970, 228767, 261448, 291158, 297100, 326810, 415940, 457534, 519925, 582316, 594200, 653620, 727895, 817025, 831880, 915068, 1039850, 1143835, 1164632, 1307240, 1455790, 1601369, 1634050, 1830136, 2079700, 2287670, 2911580, 3202738, 3268100, 3639475, 4159400, 4575340, 5719175, 5823160, 6405476, 6536200, 7278950, 8006845, 9150680, 11438350, 12810952, 14557900, 16013690, 22876700, 29115800, 32027380, 40034225, 45753400, 64054760, 80068450, 160136900, 320273800]

約数ペア:

[(1, 320273800), (2, 160136900), (4, 80068450), (5, 64054760), (7, 45753400), (8, 40034225), (10, 32027380), (11, 29115800), (14, 22876700), (20, 16013690), (22, 14557900), (25, 12810952), (28, 11438350), (35, 9150680), (40, 8006845), (44, 7278950), (49, 6536200), (50, 6405476), (55, 5823160), (56, 5719175), (70, 4575340), (77, 4159400), (88, 3639475), (98, 3268100), (100, 3202738), (110, 2911580), (140, 2287670), (154, 2079700), (175, 1830136), (196, 1634050), (200, 1601369), (220, 1455790), (245, 1307240), (275, 1164632), (280, 1143835), (308, 1039850), (350, 915068), (385, 831880), (392, 817025), (440, 727895), (490, 653620), (539, 594200), (550, 582316), (616, 519925), (700, 457534), (770, 415940), (980, 326810), (1078, 297100), (1100, 291158), (1225, 261448), (1400, 228767), (1540, 207970), (1925, 166376), (1960, 163405), (2156, 148550), (2200, 145579), (2450, 130724), (2695, 118840), (2971, 107800), (3080, 103985), (3850, 83188), (4312, 74275), (4900, 65362), (5390, 59420), (5942, 53900), (7700, 41594), (9800, 32681), (10780, 29710), (11884, 26950), (13475, 23768), (14855, 21560), (15400, 20797)]