219385740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1148

約数の個数: 144

約数和(自身を含む): 725324544

約数和(自身を除く): 505938804

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 355, 420, 426, 490, 497, 588, 710, 735, 852, 980, 994, 1051, 1065, 1420, 1470, 1491, 1988, 2102, 2130, 2485, 2940, 2982, 3153, 3479, 4204, 4260, 4970, 5255, 5964, 6306, 6958, 7357, 7455, 9940, 10437, 10510, 12612, 13916, 14714, 14910, 15765, 17395, 20874, 21020, 22071, 29428, 29820, 31530, 34790, 36785, 41748, 44142, 51499, 52185, 63060, 69580, 73570, 74621, 88284, 102998, 104370, 110355, 147140, 149242, 154497, 205996, 208740, 220710, 223863, 257495, 298484, 308994, 373105, 441420, 447726, 514990, 522347, 617988, 746210, 772485, 895452, 1029980, 1044694, 1119315, 1492420, 1544970, 1567041, 2089388, 2238630, 2611735, 3089940, 3134082, 3656429, 4477260, 5223470, 6268164, 7312858, 7835205, 10446940, 10969287, 14625716, 15670410, 18282145, 21938574, 31340820, 36564290, 43877148, 54846435, 73128580, 109692870, 219385740]

約数ペア:

[(1, 219385740), (2, 109692870), (3, 73128580), (4, 54846435), (5, 43877148), (6, 36564290), (7, 31340820), (10, 21938574), (12, 18282145), (14, 15670410), (15, 14625716), (20, 10969287), (21, 10446940), (28, 7835205), (30, 7312858), (35, 6268164), (42, 5223470), (49, 4477260), (60, 3656429), (70, 3134082), (71, 3089940), (84, 2611735), (98, 2238630), (105, 2089388), (140, 1567041), (142, 1544970), (147, 1492420), (196, 1119315), (210, 1044694), (213, 1029980), (245, 895452), (284, 772485), (294, 746210), (355, 617988), (420, 522347), (426, 514990), (490, 447726), (497, 441420), (588, 373105), (710, 308994), (735, 298484), (852, 257495), (980, 223863), (994, 220710), (1051, 208740), (1065, 205996), (1420, 154497), (1470, 149242), (1491, 147140), (1988, 110355), (2102, 104370), (2130, 102998), (2485, 88284), (2940, 74621), (2982, 73570), (3153, 69580), (3479, 63060), (4204, 52185), (4260, 51499), (4970, 44142), (5255, 41748), (5964, 36785), (6306, 34790), (6958, 31530), (7357, 29820), (7455, 29428), (9940, 22071), (10437, 21020), (10510, 20874), (12612, 17395), (13916, 15765), (14714, 14910)]