18118100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 53079936

約数和(自身を除く): 34961836

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 50, 52, 55, 65, 70, 77, 91, 100, 110, 130, 140, 143, 154, 175, 181, 182, 220, 260, 275, 286, 308, 325, 350, 362, 364, 385, 455, 550, 572, 650, 700, 715, 724, 770, 905, 910, 1001, 1100, 1267, 1300, 1430, 1540, 1810, 1820, 1925, 1991, 2002, 2275, 2353, 2534, 2860, 3575, 3620, 3850, 3982, 4004, 4525, 4550, 4706, 5005, 5068, 6335, 7150, 7700, 7964, 9050, 9100, 9412, 9955, 10010, 11765, 12670, 13937, 14300, 16471, 18100, 19910, 20020, 23530, 25025, 25340, 25883, 27874, 31675, 32942, 39820, 47060, 49775, 50050, 51766, 55748, 58825, 63350, 65884, 69685, 82355, 99550, 100100, 103532, 117650, 126700, 129415, 139370, 164710, 181181, 199100, 235300, 258830, 278740, 329420, 348425, 362362, 411775, 517660, 647075, 696850, 724724, 823550, 905905, 1294150, 1393700, 1647100, 1811810, 2588300, 3623620, 4529525, 9059050, 18118100]

約数ペア:

[(1, 18118100), (2, 9059050), (4, 4529525), (5, 3623620), (7, 2588300), (10, 1811810), (11, 1647100), (13, 1393700), (14, 1294150), (20, 905905), (22, 823550), (25, 724724), (26, 696850), (28, 647075), (35, 517660), (44, 411775), (50, 362362), (52, 348425), (55, 329420), (65, 278740), (70, 258830), (77, 235300), (91, 199100), (100, 181181), (110, 164710), (130, 139370), (140, 129415), (143, 126700), (154, 117650), (175, 103532), (181, 100100), (182, 99550), (220, 82355), (260, 69685), (275, 65884), (286, 63350), (308, 58825), (325, 55748), (350, 51766), (362, 50050), (364, 49775), (385, 47060), (455, 39820), (550, 32942), (572, 31675), (650, 27874), (700, 25883), (715, 25340), (724, 25025), (770, 23530), (905, 20020), (910, 19910), (1001, 18100), (1100, 16471), (1267, 14300), (1300, 13937), (1430, 12670), (1540, 11765), (1810, 10010), (1820, 9955), (1925, 9412), (1991, 9100), (2002, 9050), (2275, 7964), (2353, 7700), (2534, 7150), (2860, 6335), (3575, 5068), (3620, 5005), (3850, 4706), (3982, 4550), (4004, 4525)]