991354260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{443}}^1$

素因数の和:638

約数の個数: 192

約数和(自身を含む): 3174635520

約数和(自身を除く): 2183281260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 151, 156, 190, 195, 228, 247, 260, 285, 302, 380, 390, 443, 453, 494, 570, 604, 741, 755, 780, 886, 906, 988, 1140, 1235, 1329, 1482, 1510, 1772, 1812, 1963, 2215, 2265, 2470, 2658, 2869, 2964, 3020, 3705, 3926, 4430, 4530, 4940, 5316, 5738, 5759, 5889, 6645, 7410, 7852, 8417, 8607, 8860, 9060, 9815, 11476, 11518, 11778, 13290, 14345, 14820, 16834, 17214, 17277, 19630, 23036, 23556, 25251, 26580, 28690, 28795, 29445, 33668, 34428, 34554, 37297, 39260, 42085, 43035, 50502, 57380, 57590, 58890, 66893, 69108, 74594, 84170, 86070, 86385, 101004, 109421, 111891, 115180, 117780, 126255, 133786, 149188, 168340, 172140, 172770, 186485, 200679, 218842, 223782, 252510, 267572, 328263, 334465, 345540, 372970, 401358, 437684, 447564, 505020, 547105, 559455, 656526, 668930, 745940, 802716, 869609, 1003395, 1094210, 1118910, 1270967, 1313052, 1337860, 1641315, 1739218, 2006790, 2188420, 2237820, 2541934, 2608827, 3282630, 3478436, 3812901, 4013580, 4348045, 5083868, 5217654, 6354835, 6565260, 7625802, 8696090, 10435308, 12709670, 13044135, 15251604, 16522571, 17392180, 19064505, 25419340, 26088270, 33045142, 38129010, 49567713, 52176540, 66090284, 76258020, 82612855, 99135426, 165225710, 198270852, 247838565, 330451420, 495677130, 991354260]

約数ペア:

[(1, 991354260), (2, 495677130), (3, 330451420), (4, 247838565), (5, 198270852), (6, 165225710), (10, 99135426), (12, 82612855), (13, 76258020), (15, 66090284), (19, 52176540), (20, 49567713), (26, 38129010), (30, 33045142), (38, 26088270), (39, 25419340), (52, 19064505), (57, 17392180), (60, 16522571), (65, 15251604), (76, 13044135), (78, 12709670), (95, 10435308), (114, 8696090), (130, 7625802), (151, 6565260), (156, 6354835), (190, 5217654), (195, 5083868), (228, 4348045), (247, 4013580), (260, 3812901), (285, 3478436), (302, 3282630), (380, 2608827), (390, 2541934), (443, 2237820), (453, 2188420), (494, 2006790), (570, 1739218), (604, 1641315), (741, 1337860), (755, 1313052), (780, 1270967), (886, 1118910), (906, 1094210), (988, 1003395), (1140, 869609), (1235, 802716), (1329, 745940), (1482, 668930), (1510, 656526), (1772, 559455), (1812, 547105), (1963, 505020), (2215, 447564), (2265, 437684), (2470, 401358), (2658, 372970), (2869, 345540), (2964, 334465), (3020, 328263), (3705, 267572), (3926, 252510), (4430, 223782), (4530, 218842), (4940, 200679), (5316, 186485), (5738, 172770), (5759, 172140), (5889, 168340), (6645, 149188), (7410, 133786), (7852, 126255), (8417, 117780), (8607, 115180), (8860, 111891), (9060, 109421), (9815, 101004), (11476, 86385), (11518, 86070), (11778, 84170), (13290, 74594), (14345, 69108), (14820, 66893), (16834, 58890), (17214, 57590), (17277, 57380), (19630, 50502), (23036, 43035), (23556, 42085), (25251, 39260), (26580, 37297), (28690, 34554), (28795, 34428), (29445, 33668)]