8898890

素因数分解:

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

素因数の和:172

約数の個数: 96

約数和(自身を含む): 22063104

約数和(自身を除く): 13164214

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 49, 55, 65, 70, 77, 91, 98, 110, 127, 130, 143, 154, 182, 245, 254, 286, 385, 455, 490, 539, 635, 637, 715, 770, 889, 910, 1001, 1078, 1270, 1274, 1397, 1430, 1651, 1778, 2002, 2695, 2794, 3185, 3302, 4445, 5005, 5390, 6223, 6370, 6985, 7007, 8255, 8890, 9779, 10010, 11557, 12446, 13970, 14014, 16510, 18161, 19558, 23114, 31115, 35035, 36322, 48895, 57785, 62230, 68453, 70070, 80899, 90805, 97790, 115570, 127127, 136906, 161798, 181610, 254254, 342265, 404495, 635635, 684530, 808990, 889889, 1271270, 1779778, 4449445, 8898890]

約数ペア:

[(1, 8898890), (2, 4449445), (5, 1779778), (7, 1271270), (10, 889889), (11, 808990), (13, 684530), (14, 635635), (22, 404495), (26, 342265), (35, 254254), (49, 181610), (55, 161798), (65, 136906), (70, 127127), (77, 115570), (91, 97790), (98, 90805), (110, 80899), (127, 70070), (130, 68453), (143, 62230), (154, 57785), (182, 48895), (245, 36322), (254, 35035), (286, 31115), (385, 23114), (455, 19558), (490, 18161), (539, 16510), (635, 14014), (637, 13970), (715, 12446), (770, 11557), (889, 10010), (910, 9779), (1001, 8890), (1078, 8255), (1270, 7007), (1274, 6985), (1397, 6370), (1430, 6223), (1651, 5390), (1778, 5005), (2002, 4445), (2695, 3302), (2794, 3185)]