408121140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:494

約数の個数: 192

約数和(自身を含む): 1387008000

約数和(自身を除く): 978886860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 199, 210, 228, 257, 266, 285, 380, 398, 399, 420, 514, 532, 570, 597, 665, 771, 796, 798, 995, 1028, 1140, 1194, 1285, 1330, 1393, 1542, 1596, 1799, 1990, 1995, 2388, 2570, 2660, 2786, 2985, 3084, 3598, 3781, 3855, 3980, 3990, 4179, 4883, 5140, 5397, 5572, 5970, 6965, 7196, 7562, 7710, 7980, 8358, 8995, 9766, 10794, 11343, 11940, 13930, 14649, 15124, 15420, 16716, 17990, 18905, 19532, 20895, 21588, 22686, 24415, 26467, 26985, 27860, 29298, 34181, 35980, 37810, 41790, 45372, 48830, 51143, 52934, 53970, 56715, 58596, 68362, 73245, 75620, 79401, 83580, 97660, 102286, 102543, 105868, 107940, 113430, 132335, 136724, 146490, 153429, 158802, 170905, 204572, 205086, 226860, 255715, 264670, 292980, 306858, 317604, 341810, 358001, 397005, 410172, 511430, 512715, 529340, 613716, 683620, 716002, 767145, 794010, 971717, 1022860, 1025430, 1074003, 1432004, 1534290, 1588020, 1790005, 1943434, 2050860, 2148006, 2915151, 3068580, 3580010, 3886868, 4296012, 4858585, 5370015, 5830302, 6802019, 7160020, 9717170, 10740030, 11660604, 13604038, 14575755, 19434340, 20406057, 21480060, 27208076, 29151510, 34010095, 40812114, 58303020, 68020190, 81624228, 102030285, 136040380, 204060570, 408121140]

約数ペア:

[(1, 408121140), (2, 204060570), (3, 136040380), (4, 102030285), (5, 81624228), (6, 68020190), (7, 58303020), (10, 40812114), (12, 34010095), (14, 29151510), (15, 27208076), (19, 21480060), (20, 20406057), (21, 19434340), (28, 14575755), (30, 13604038), (35, 11660604), (38, 10740030), (42, 9717170), (57, 7160020), (60, 6802019), (70, 5830302), (76, 5370015), (84, 4858585), (95, 4296012), (105, 3886868), (114, 3580010), (133, 3068580), (140, 2915151), (190, 2148006), (199, 2050860), (210, 1943434), (228, 1790005), (257, 1588020), (266, 1534290), (285, 1432004), (380, 1074003), (398, 1025430), (399, 1022860), (420, 971717), (514, 794010), (532, 767145), (570, 716002), (597, 683620), (665, 613716), (771, 529340), (796, 512715), (798, 511430), (995, 410172), (1028, 397005), (1140, 358001), (1194, 341810), (1285, 317604), (1330, 306858), (1393, 292980), (1542, 264670), (1596, 255715), (1799, 226860), (1990, 205086), (1995, 204572), (2388, 170905), (2570, 158802), (2660, 153429), (2786, 146490), (2985, 136724), (3084, 132335), (3598, 113430), (3781, 107940), (3855, 105868), (3980, 102543), (3990, 102286), (4179, 97660), (4883, 83580), (5140, 79401), (5397, 75620), (5572, 73245), (5970, 68362), (6965, 58596), (7196, 56715), (7562, 53970), (7710, 52934), (7980, 51143), (8358, 48830), (8995, 45372), (9766, 41790), (10794, 37810), (11343, 35980), (11940, 34181), (13930, 29298), (14649, 27860), (15124, 26985), (15420, 26467), (16716, 24415), (17990, 22686), (18905, 21588), (19532, 20895)]