18090800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 180

約数和(自身を含む): 55215216

約数和(自身を除く): 37124416

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 71, 80, 91, 98, 100, 104, 112, 130, 140, 142, 175, 182, 196, 200, 208, 245, 260, 280, 284, 325, 350, 355, 364, 392, 400, 455, 490, 497, 520, 560, 568, 637, 650, 700, 710, 728, 784, 910, 923, 980, 994, 1040, 1136, 1225, 1274, 1300, 1400, 1420, 1456, 1775, 1820, 1846, 1960, 1988, 2275, 2450, 2485, 2548, 2600, 2800, 2840, 3185, 3479, 3550, 3640, 3692, 3920, 3976, 4550, 4615, 4900, 4970, 5096, 5200, 5680, 6370, 6461, 6958, 7100, 7280, 7384, 7952, 9100, 9230, 9800, 9940, 10192, 12425, 12740, 12922, 13916, 14200, 14768, 15925, 17395, 18200, 18460, 19600, 19880, 23075, 24850, 25480, 25844, 27832, 28400, 31850, 32305, 34790, 36400, 36920, 39760, 45227, 46150, 49700, 50960, 51688, 55664, 63700, 64610, 69580, 73840, 86975, 90454, 92300, 99400, 103376, 127400, 129220, 139160, 161525, 173950, 180908, 184600, 198800, 226135, 254800, 258440, 278320, 323050, 347900, 361816, 369200, 452270, 516880, 646100, 695800, 723632, 904540, 1130675, 1292200, 1391600, 1809080, 2261350, 2584400, 3618160, 4522700, 9045400, 18090800]

約数ペア:

[(1, 18090800), (2, 9045400), (4, 4522700), (5, 3618160), (7, 2584400), (8, 2261350), (10, 1809080), (13, 1391600), (14, 1292200), (16, 1130675), (20, 904540), (25, 723632), (26, 695800), (28, 646100), (35, 516880), (40, 452270), (49, 369200), (50, 361816), (52, 347900), (56, 323050), (65, 278320), (70, 258440), (71, 254800), (80, 226135), (91, 198800), (98, 184600), (100, 180908), (104, 173950), (112, 161525), (130, 139160), (140, 129220), (142, 127400), (175, 103376), (182, 99400), (196, 92300), (200, 90454), (208, 86975), (245, 73840), (260, 69580), (280, 64610), (284, 63700), (325, 55664), (350, 51688), (355, 50960), (364, 49700), (392, 46150), (400, 45227), (455, 39760), (490, 36920), (497, 36400), (520, 34790), (560, 32305), (568, 31850), (637, 28400), (650, 27832), (700, 25844), (710, 25480), (728, 24850), (784, 23075), (910, 19880), (923, 19600), (980, 18460), (994, 18200), (1040, 17395), (1136, 15925), (1225, 14768), (1274, 14200), (1300, 13916), (1400, 12922), (1420, 12740), (1456, 12425), (1775, 10192), (1820, 9940), (1846, 9800), (1960, 9230), (1988, 9100), (2275, 7952), (2450, 7384), (2485, 7280), (2548, 7100), (2600, 6958), (2800, 6461), (2840, 6370), (3185, 5680), (3479, 5200), (3550, 5096), (3640, 4970), (3692, 4900), (3920, 4615), (3976, 4550)]