79307900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 212486400

約数和(自身を除く): 133178500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 67, 70, 76, 89, 95, 100, 133, 134, 140, 175, 178, 190, 266, 268, 335, 350, 356, 380, 445, 469, 475, 532, 623, 665, 670, 700, 890, 938, 950, 1246, 1273, 1330, 1340, 1675, 1691, 1780, 1876, 1900, 2225, 2345, 2492, 2546, 2660, 3115, 3325, 3350, 3382, 4450, 4690, 5092, 5963, 6230, 6365, 6650, 6700, 6764, 8455, 8900, 8911, 9380, 11725, 11837, 11926, 12460, 12730, 13300, 15575, 16910, 17822, 23450, 23674, 23852, 25460, 29815, 31150, 31825, 33820, 35644, 41741, 42275, 44555, 46900, 47348, 59185, 59630, 62300, 63650, 83482, 84550, 89110, 113297, 118370, 119260, 127300, 149075, 166964, 169100, 178220, 208705, 222775, 226594, 236740, 295925, 298150, 417410, 445550, 453188, 566485, 591850, 596300, 793079, 834820, 891100, 1043525, 1132970, 1183700, 1586158, 2087050, 2265940, 2832425, 3172316, 3965395, 4174100, 5664850, 7930790, 11329700, 15861580, 19826975, 39653950, 79307900]

約数ペア:

[(1, 79307900), (2, 39653950), (4, 19826975), (5, 15861580), (7, 11329700), (10, 7930790), (14, 5664850), (19, 4174100), (20, 3965395), (25, 3172316), (28, 2832425), (35, 2265940), (38, 2087050), (50, 1586158), (67, 1183700), (70, 1132970), (76, 1043525), (89, 891100), (95, 834820), (100, 793079), (133, 596300), (134, 591850), (140, 566485), (175, 453188), (178, 445550), (190, 417410), (266, 298150), (268, 295925), (335, 236740), (350, 226594), (356, 222775), (380, 208705), (445, 178220), (469, 169100), (475, 166964), (532, 149075), (623, 127300), (665, 119260), (670, 118370), (700, 113297), (890, 89110), (938, 84550), (950, 83482), (1246, 63650), (1273, 62300), (1330, 59630), (1340, 59185), (1675, 47348), (1691, 46900), (1780, 44555), (1876, 42275), (1900, 41741), (2225, 35644), (2345, 33820), (2492, 31825), (2546, 31150), (2660, 29815), (3115, 25460), (3325, 23852), (3350, 23674), (3382, 23450), (4450, 17822), (4690, 16910), (5092, 15575), (5963, 13300), (6230, 12730), (6365, 12460), (6650, 11926), (6700, 11837), (6764, 11725), (8455, 9380), (8900, 8911)]