38998960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:531

約数の個数: 160

約数和(自身を含む): 121992192

約数和(自身を除く): 82993232

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 487, 520, 560, 572, 616, 715, 728, 770, 880, 910, 974, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1820, 1948, 2002, 2288, 2435, 2860, 3080, 3409, 3640, 3896, 4004, 4870, 5005, 5357, 5720, 6160, 6331, 6818, 7280, 7792, 8008, 9740, 10010, 10714, 11440, 12662, 13636, 16016, 17045, 19480, 20020, 21428, 25324, 26785, 27272, 31655, 34090, 37499, 38960, 40040, 42856, 44317, 50648, 53570, 54544, 63310, 68180, 69641, 74998, 80080, 85712, 88634, 101296, 107140, 126620, 136360, 139282, 149996, 177268, 187495, 214280, 221585, 253240, 272720, 278564, 299992, 348205, 354536, 374990, 428560, 443170, 487487, 506480, 557128, 599984, 696410, 709072, 749980, 886340, 974974, 1114256, 1392820, 1499960, 1772680, 1949948, 2437435, 2785640, 2999920, 3545360, 3899896, 4874870, 5571280, 7799792, 9749740, 19499480, 38998960]

約数ペア:

[(1, 38998960), (2, 19499480), (4, 9749740), (5, 7799792), (7, 5571280), (8, 4874870), (10, 3899896), (11, 3545360), (13, 2999920), (14, 2785640), (16, 2437435), (20, 1949948), (22, 1772680), (26, 1499960), (28, 1392820), (35, 1114256), (40, 974974), (44, 886340), (52, 749980), (55, 709072), (56, 696410), (65, 599984), (70, 557128), (77, 506480), (80, 487487), (88, 443170), (91, 428560), (104, 374990), (110, 354536), (112, 348205), (130, 299992), (140, 278564), (143, 272720), (154, 253240), (176, 221585), (182, 214280), (208, 187495), (220, 177268), (260, 149996), (280, 139282), (286, 136360), (308, 126620), (364, 107140), (385, 101296), (440, 88634), (455, 85712), (487, 80080), (520, 74998), (560, 69641), (572, 68180), (616, 63310), (715, 54544), (728, 53570), (770, 50648), (880, 44317), (910, 42856), (974, 40040), (1001, 38960), (1040, 37499), (1144, 34090), (1232, 31655), (1430, 27272), (1456, 26785), (1540, 25324), (1820, 21428), (1948, 20020), (2002, 19480), (2288, 17045), (2435, 16016), (2860, 13636), (3080, 12662), (3409, 11440), (3640, 10714), (3896, 10010), (4004, 9740), (4870, 8008), (5005, 7792), (5357, 7280), (5720, 6818), (6160, 6331)]