17797780

素因数分解:

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

素因数の和:174

約数の個数: 144

約数和(自身を含む): 51480576

約数和(自身を除く): 33682796

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 127, 130, 140, 143, 154, 182, 196, 220, 245, 254, 260, 286, 308, 364, 385, 455, 490, 508, 539, 572, 635, 637, 715, 770, 889, 910, 980, 1001, 1078, 1270, 1274, 1397, 1430, 1540, 1651, 1778, 1820, 2002, 2156, 2540, 2548, 2695, 2794, 2860, 3185, 3302, 3556, 4004, 4445, 5005, 5390, 5588, 6223, 6370, 6604, 6985, 7007, 8255, 8890, 9779, 10010, 10780, 11557, 12446, 12740, 13970, 14014, 16510, 17780, 18161, 19558, 20020, 23114, 24892, 27940, 28028, 31115, 33020, 35035, 36322, 39116, 46228, 48895, 57785, 62230, 68453, 70070, 72644, 80899, 90805, 97790, 115570, 124460, 127127, 136906, 140140, 161798, 181610, 195580, 231140, 254254, 273812, 323596, 342265, 363220, 404495, 508508, 635635, 684530, 808990, 889889, 1271270, 1369060, 1617980, 1779778, 2542540, 3559556, 4449445, 8898890, 17797780]

約数ペア:

[(1, 17797780), (2, 8898890), (4, 4449445), (5, 3559556), (7, 2542540), (10, 1779778), (11, 1617980), (13, 1369060), (14, 1271270), (20, 889889), (22, 808990), (26, 684530), (28, 635635), (35, 508508), (44, 404495), (49, 363220), (52, 342265), (55, 323596), (65, 273812), (70, 254254), (77, 231140), (91, 195580), (98, 181610), (110, 161798), (127, 140140), (130, 136906), (140, 127127), (143, 124460), (154, 115570), (182, 97790), (196, 90805), (220, 80899), (245, 72644), (254, 70070), (260, 68453), (286, 62230), (308, 57785), (364, 48895), (385, 46228), (455, 39116), (490, 36322), (508, 35035), (539, 33020), (572, 31115), (635, 28028), (637, 27940), (715, 24892), (770, 23114), (889, 20020), (910, 19558), (980, 18161), (1001, 17780), (1078, 16510), (1270, 14014), (1274, 13970), (1397, 12740), (1430, 12446), (1540, 11557), (1651, 10780), (1778, 10010), (1820, 9779), (2002, 8890), (2156, 8255), (2540, 7007), (2548, 6985), (2695, 6604), (2794, 6370), (2860, 6223), (3185, 5588), (3302, 5390), (3556, 5005), (4004, 4445)]