27780340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 71092224

約数和(自身を除く): 43311884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 37, 62, 70, 74, 124, 140, 148, 155, 173, 185, 217, 259, 310, 346, 370, 434, 518, 620, 692, 740, 865, 868, 1036, 1085, 1147, 1211, 1295, 1730, 2170, 2294, 2422, 2590, 3460, 4340, 4588, 4844, 5180, 5363, 5735, 6055, 6401, 8029, 10726, 11470, 12110, 12802, 16058, 21452, 22940, 24220, 25604, 26815, 32005, 32116, 37541, 40145, 44807, 53630, 64010, 75082, 80290, 89614, 107260, 128020, 150164, 160580, 179228, 187705, 198431, 224035, 375410, 396862, 448070, 750820, 793724, 896140, 992155, 1389017, 1984310, 2778034, 3968620, 5556068, 6945085, 13890170, 27780340]

約数ペア:

[(1, 27780340), (2, 13890170), (4, 6945085), (5, 5556068), (7, 3968620), (10, 2778034), (14, 1984310), (20, 1389017), (28, 992155), (31, 896140), (35, 793724), (37, 750820), (62, 448070), (70, 396862), (74, 375410), (124, 224035), (140, 198431), (148, 187705), (155, 179228), (173, 160580), (185, 150164), (217, 128020), (259, 107260), (310, 89614), (346, 80290), (370, 75082), (434, 64010), (518, 53630), (620, 44807), (692, 40145), (740, 37541), (865, 32116), (868, 32005), (1036, 26815), (1085, 25604), (1147, 24220), (1211, 22940), (1295, 21452), (1730, 16058), (2170, 12802), (2294, 12110), (2422, 11470), (2590, 10726), (3460, 8029), (4340, 6401), (4588, 6055), (4844, 5735), (5180, 5363)]