191997520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1291}}^1$

素因数の和:1341

約数の個数: 120

約数和(自身を含む): 527725152

約数和(自身を除く): 335727632

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 169, 176, 208, 220, 260, 286, 338, 440, 520, 572, 676, 715, 845, 880, 1040, 1144, 1291, 1352, 1430, 1690, 1859, 2288, 2582, 2704, 2860, 3380, 3718, 5164, 5720, 6455, 6760, 7436, 9295, 10328, 11440, 12910, 13520, 14201, 14872, 16783, 18590, 20656, 25820, 28402, 29744, 33566, 37180, 51640, 56804, 67132, 71005, 74360, 83915, 103280, 113608, 134264, 142010, 148720, 167830, 184613, 218179, 227216, 268528, 284020, 335660, 369226, 436358, 568040, 671320, 738452, 872716, 923065, 1090895, 1136080, 1342640, 1476904, 1745432, 1846130, 2181790, 2399969, 2953808, 3490864, 3692260, 4363580, 4799938, 7384520, 8727160, 9599876, 11999845, 14769040, 17454320, 19199752, 23999690, 38399504, 47999380, 95998760, 191997520]

約数ペア:

[(1, 191997520), (2, 95998760), (4, 47999380), (5, 38399504), (8, 23999690), (10, 19199752), (11, 17454320), (13, 14769040), (16, 11999845), (20, 9599876), (22, 8727160), (26, 7384520), (40, 4799938), (44, 4363580), (52, 3692260), (55, 3490864), (65, 2953808), (80, 2399969), (88, 2181790), (104, 1846130), (110, 1745432), (130, 1476904), (143, 1342640), (169, 1136080), (176, 1090895), (208, 923065), (220, 872716), (260, 738452), (286, 671320), (338, 568040), (440, 436358), (520, 369226), (572, 335660), (676, 284020), (715, 268528), (845, 227216), (880, 218179), (1040, 184613), (1144, 167830), (1291, 148720), (1352, 142010), (1430, 134264), (1690, 113608), (1859, 103280), (2288, 83915), (2582, 74360), (2704, 71005), (2860, 67132), (3380, 56804), (3718, 51640), (5164, 37180), (5720, 33566), (6455, 29744), (6760, 28402), (7436, 25820), (9295, 20656), (10328, 18590), (11440, 16783), (12910, 14872), (13520, 14201)]