218533840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:309

約数の個数: 160

約数和(自身を含む): 610675200

約数和(自身を除く): 392141360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 53, 56, 70, 74, 80, 106, 112, 140, 148, 185, 199, 212, 259, 265, 280, 296, 370, 371, 398, 424, 518, 530, 560, 592, 740, 742, 796, 848, 995, 1036, 1060, 1295, 1393, 1480, 1484, 1592, 1855, 1961, 1990, 2072, 2120, 2590, 2786, 2960, 2968, 3184, 3710, 3922, 3980, 4144, 4240, 5180, 5572, 5936, 6965, 7363, 7420, 7844, 7960, 9805, 10360, 10547, 11144, 13727, 13930, 14726, 14840, 15688, 15920, 19610, 20720, 21094, 22288, 27454, 27860, 29452, 29680, 31376, 36815, 39220, 42188, 51541, 52735, 54908, 55720, 58904, 68635, 73630, 73829, 78440, 84376, 103082, 105470, 109816, 111440, 117808, 137270, 147260, 147658, 156880, 168752, 206164, 210940, 219632, 257705, 274540, 294520, 295316, 369145, 390239, 412328, 421880, 515410, 549080, 589040, 590632, 738290, 780478, 824656, 843760, 1030820, 1098160, 1181264, 1476580, 1560956, 1951195, 2061640, 2731673, 2953160, 3121912, 3902390, 4123280, 5463346, 5906320, 6243824, 7804780, 10926692, 13658365, 15609560, 21853384, 27316730, 31219120, 43706768, 54633460, 109266920, 218533840]

約数ペア:

[(1, 218533840), (2, 109266920), (4, 54633460), (5, 43706768), (7, 31219120), (8, 27316730), (10, 21853384), (14, 15609560), (16, 13658365), (20, 10926692), (28, 7804780), (35, 6243824), (37, 5906320), (40, 5463346), (53, 4123280), (56, 3902390), (70, 3121912), (74, 2953160), (80, 2731673), (106, 2061640), (112, 1951195), (140, 1560956), (148, 1476580), (185, 1181264), (199, 1098160), (212, 1030820), (259, 843760), (265, 824656), (280, 780478), (296, 738290), (370, 590632), (371, 589040), (398, 549080), (424, 515410), (518, 421880), (530, 412328), (560, 390239), (592, 369145), (740, 295316), (742, 294520), (796, 274540), (848, 257705), (995, 219632), (1036, 210940), (1060, 206164), (1295, 168752), (1393, 156880), (1480, 147658), (1484, 147260), (1592, 137270), (1855, 117808), (1961, 111440), (1990, 109816), (2072, 105470), (2120, 103082), (2590, 84376), (2786, 78440), (2960, 73829), (2968, 73630), (3184, 68635), (3710, 58904), (3922, 55720), (3980, 54908), (4144, 52735), (4240, 51541), (5180, 42188), (5572, 39220), (5936, 36815), (6965, 31376), (7363, 29680), (7420, 29452), (7844, 27860), (7960, 27454), (9805, 22288), (10360, 21094), (10547, 20720), (11144, 19610), (13727, 15920), (13930, 15688), (14726, 14840)]