487998420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:814

約数の個数: 192

約数和(自身を含む): 1696450560

約数和(自身を除く): 1208452140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 139, 140, 156, 182, 195, 210, 260, 273, 278, 364, 390, 417, 420, 455, 546, 556, 643, 695, 780, 834, 910, 973, 1092, 1286, 1365, 1390, 1668, 1807, 1820, 1929, 1946, 2085, 2572, 2730, 2780, 2919, 3215, 3614, 3858, 3892, 4170, 4501, 4865, 5421, 5460, 5838, 6430, 7228, 7716, 8340, 8359, 9002, 9035, 9645, 9730, 10842, 11676, 12649, 12860, 13503, 14595, 16718, 18004, 18070, 19290, 19460, 21684, 22505, 25077, 25298, 27006, 27105, 29190, 33436, 36140, 37947, 38580, 41795, 45010, 50154, 50596, 54012, 54210, 58380, 58513, 63245, 67515, 75894, 83590, 89377, 90020, 100308, 108420, 117026, 125385, 126490, 135030, 151788, 167180, 175539, 178754, 189735, 234052, 250770, 252980, 268131, 270060, 292565, 351078, 357508, 379470, 446885, 501540, 536262, 585130, 625639, 702156, 758940, 877695, 893770, 1072524, 1161901, 1170260, 1251278, 1340655, 1755390, 1787540, 1876917, 2323802, 2502556, 2681310, 3128195, 3485703, 3510780, 3753834, 4647604, 5362620, 5809505, 6256390, 6971406, 7507668, 8133307, 9384585, 11619010, 12512780, 13942812, 16266614, 17428515, 18769170, 23238020, 24399921, 32533228, 34857030, 37538340, 40666535, 48799842, 69714060, 81333070, 97599684, 121999605, 162666140, 243999210, 487998420]

約数ペア:

[(1, 487998420), (2, 243999210), (3, 162666140), (4, 121999605), (5, 97599684), (6, 81333070), (7, 69714060), (10, 48799842), (12, 40666535), (13, 37538340), (14, 34857030), (15, 32533228), (20, 24399921), (21, 23238020), (26, 18769170), (28, 17428515), (30, 16266614), (35, 13942812), (39, 12512780), (42, 11619010), (52, 9384585), (60, 8133307), (65, 7507668), (70, 6971406), (78, 6256390), (84, 5809505), (91, 5362620), (105, 4647604), (130, 3753834), (139, 3510780), (140, 3485703), (156, 3128195), (182, 2681310), (195, 2502556), (210, 2323802), (260, 1876917), (273, 1787540), (278, 1755390), (364, 1340655), (390, 1251278), (417, 1170260), (420, 1161901), (455, 1072524), (546, 893770), (556, 877695), (643, 758940), (695, 702156), (780, 625639), (834, 585130), (910, 536262), (973, 501540), (1092, 446885), (1286, 379470), (1365, 357508), (1390, 351078), (1668, 292565), (1807, 270060), (1820, 268131), (1929, 252980), (1946, 250770), (2085, 234052), (2572, 189735), (2730, 178754), (2780, 175539), (2919, 167180), (3215, 151788), (3614, 135030), (3858, 126490), (3892, 125385), (4170, 117026), (4501, 108420), (4865, 100308), (5421, 90020), (5460, 89377), (5838, 83590), (6430, 75894), (7228, 67515), (7716, 63245), (8340, 58513), (8359, 58380), (9002, 54210), (9035, 54012), (9645, 50596), (9730, 50154), (10842, 45010), (11676, 41795), (12649, 38580), (12860, 37947), (13503, 36140), (14595, 33436), (16718, 29190), (18004, 27105), (18070, 27006), (19290, 25298), (19460, 25077), (21684, 22505)]