140289940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 363524112

約数和(自身を除く): 223234172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 53, 70, 73, 74, 98, 106, 140, 146, 148, 185, 196, 212, 245, 259, 265, 292, 365, 370, 371, 490, 511, 518, 530, 730, 740, 742, 980, 1022, 1036, 1060, 1295, 1460, 1484, 1813, 1855, 1961, 2044, 2555, 2590, 2597, 2701, 3577, 3626, 3710, 3869, 3922, 5110, 5180, 5194, 5402, 7154, 7252, 7420, 7738, 7844, 9065, 9805, 10220, 10388, 10804, 12985, 13505, 13727, 14308, 15476, 17885, 18130, 18907, 19345, 19610, 25970, 27010, 27083, 27454, 35770, 36260, 37814, 38690, 39220, 51940, 54020, 54166, 54908, 68635, 71540, 75628, 77380, 94535, 96089, 108332, 132349, 135415, 137270, 143153, 189070, 189581, 192178, 264698, 270830, 274540, 286306, 378140, 379162, 384356, 480445, 529396, 541660, 572612, 661745, 715765, 758324, 947905, 960890, 1002071, 1323490, 1431530, 1895810, 1921780, 2004142, 2646980, 2863060, 3791620, 4008284, 5010355, 7014497, 10020710, 14028994, 20041420, 28057988, 35072485, 70144970, 140289940]

約数ペア:

[(1, 140289940), (2, 70144970), (4, 35072485), (5, 28057988), (7, 20041420), (10, 14028994), (14, 10020710), (20, 7014497), (28, 5010355), (35, 4008284), (37, 3791620), (49, 2863060), (53, 2646980), (70, 2004142), (73, 1921780), (74, 1895810), (98, 1431530), (106, 1323490), (140, 1002071), (146, 960890), (148, 947905), (185, 758324), (196, 715765), (212, 661745), (245, 572612), (259, 541660), (265, 529396), (292, 480445), (365, 384356), (370, 379162), (371, 378140), (490, 286306), (511, 274540), (518, 270830), (530, 264698), (730, 192178), (740, 189581), (742, 189070), (980, 143153), (1022, 137270), (1036, 135415), (1060, 132349), (1295, 108332), (1460, 96089), (1484, 94535), (1813, 77380), (1855, 75628), (1961, 71540), (2044, 68635), (2555, 54908), (2590, 54166), (2597, 54020), (2701, 51940), (3577, 39220), (3626, 38690), (3710, 37814), (3869, 36260), (3922, 35770), (5110, 27454), (5180, 27083), (5194, 27010), (5402, 25970), (7154, 19610), (7252, 19345), (7420, 18907), (7738, 18130), (7844, 17885), (9065, 15476), (9805, 14308), (10220, 13727), (10388, 13505), (10804, 12985)]