27967940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 80080896

約数和(自身を除く): 52112956

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 121, 127, 130, 140, 143, 154, 182, 220, 242, 254, 260, 286, 308, 364, 385, 455, 484, 508, 572, 605, 635, 715, 770, 847, 889, 910, 1001, 1210, 1270, 1397, 1430, 1540, 1573, 1651, 1694, 1778, 1820, 2002, 2420, 2540, 2794, 2860, 3146, 3302, 3388, 3556, 4004, 4235, 4445, 5005, 5588, 6292, 6604, 6985, 7865, 8255, 8470, 8890, 9779, 10010, 11011, 11557, 13970, 15367, 15730, 16510, 16940, 17780, 18161, 19558, 20020, 22022, 23114, 27940, 30734, 31460, 33020, 36322, 39116, 44044, 46228, 48895, 55055, 57785, 61468, 72644, 76835, 90805, 97790, 107569, 110110, 115570, 127127, 153670, 181610, 195580, 199771, 215138, 220220, 231140, 254254, 307340, 363220, 399542, 430276, 508508, 537845, 635635, 799084, 998855, 1075690, 1271270, 1398397, 1997710, 2151380, 2542540, 2796794, 3995420, 5593588, 6991985, 13983970, 27967940]

約数ペア:

[(1, 27967940), (2, 13983970), (4, 6991985), (5, 5593588), (7, 3995420), (10, 2796794), (11, 2542540), (13, 2151380), (14, 1997710), (20, 1398397), (22, 1271270), (26, 1075690), (28, 998855), (35, 799084), (44, 635635), (52, 537845), (55, 508508), (65, 430276), (70, 399542), (77, 363220), (91, 307340), (110, 254254), (121, 231140), (127, 220220), (130, 215138), (140, 199771), (143, 195580), (154, 181610), (182, 153670), (220, 127127), (242, 115570), (254, 110110), (260, 107569), (286, 97790), (308, 90805), (364, 76835), (385, 72644), (455, 61468), (484, 57785), (508, 55055), (572, 48895), (605, 46228), (635, 44044), (715, 39116), (770, 36322), (847, 33020), (889, 31460), (910, 30734), (1001, 27940), (1210, 23114), (1270, 22022), (1397, 20020), (1430, 19558), (1540, 18161), (1573, 17780), (1651, 16940), (1694, 16510), (1778, 15730), (1820, 15367), (2002, 13970), (2420, 11557), (2540, 11011), (2794, 10010), (2860, 9779), (3146, 8890), (3302, 8470), (3388, 8255), (3556, 7865), (4004, 6985), (4235, 6604), (4445, 6292), (5005, 5588)]