38115140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 103420800

約数和(自身を除く): 65305660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 49, 70, 76, 89, 92, 95, 98, 115, 133, 140, 161, 178, 190, 196, 230, 245, 266, 322, 356, 380, 437, 445, 460, 490, 532, 623, 644, 665, 805, 874, 890, 931, 980, 1127, 1246, 1330, 1610, 1691, 1748, 1780, 1862, 2047, 2185, 2254, 2492, 2660, 3059, 3115, 3220, 3382, 3724, 4094, 4361, 4370, 4508, 4655, 5635, 6118, 6230, 6764, 8188, 8455, 8722, 8740, 9310, 10235, 11270, 11837, 12236, 12460, 14329, 15295, 16910, 17444, 18620, 20470, 21413, 21805, 22540, 23674, 28658, 30590, 33820, 38893, 40940, 42826, 43610, 47348, 57316, 59185, 61180, 71645, 77786, 82859, 85652, 87220, 100303, 107065, 118370, 143290, 155572, 165718, 194465, 200606, 214130, 236740, 272251, 286580, 331436, 388930, 401212, 414295, 428260, 501515, 544502, 777860, 828590, 1003030, 1089004, 1361255, 1657180, 1905757, 2006060, 2722510, 3811514, 5445020, 7623028, 9528785, 19057570, 38115140]

約数ペア:

[(1, 38115140), (2, 19057570), (4, 9528785), (5, 7623028), (7, 5445020), (10, 3811514), (14, 2722510), (19, 2006060), (20, 1905757), (23, 1657180), (28, 1361255), (35, 1089004), (38, 1003030), (46, 828590), (49, 777860), (70, 544502), (76, 501515), (89, 428260), (92, 414295), (95, 401212), (98, 388930), (115, 331436), (133, 286580), (140, 272251), (161, 236740), (178, 214130), (190, 200606), (196, 194465), (230, 165718), (245, 155572), (266, 143290), (322, 118370), (356, 107065), (380, 100303), (437, 87220), (445, 85652), (460, 82859), (490, 77786), (532, 71645), (623, 61180), (644, 59185), (665, 57316), (805, 47348), (874, 43610), (890, 42826), (931, 40940), (980, 38893), (1127, 33820), (1246, 30590), (1330, 28658), (1610, 23674), (1691, 22540), (1748, 21805), (1780, 21413), (1862, 20470), (2047, 18620), (2185, 17444), (2254, 16910), (2492, 15295), (2660, 14329), (3059, 12460), (3115, 12236), (3220, 11837), (3382, 11270), (3724, 10235), (4094, 9310), (4361, 8740), (4370, 8722), (4508, 8455), (4655, 8188), (5635, 6764), (6118, 6230)]