220573808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{769}}^1$

素因数の和:994

約数の個数: 80

約数和(自身を含む): 529341120

約数和(自身を除く): 308767312

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 197, 208, 364, 394, 728, 769, 788, 1379, 1456, 1538, 1576, 2561, 2758, 3076, 3152, 5122, 5383, 5516, 6152, 9997, 10244, 10766, 11032, 12304, 17927, 19994, 20488, 21532, 22064, 35854, 39988, 40976, 43064, 69979, 71708, 79976, 86128, 139958, 143416, 151493, 159952, 279916, 286832, 302986, 559832, 605972, 1060451, 1119664, 1211944, 1969409, 2120902, 2423888, 3938818, 4241804, 7877636, 8483608, 13785863, 15755272, 16967216, 27571726, 31510544, 55143452, 110286904, 220573808]

約数ペア:

[(1, 220573808), (2, 110286904), (4, 55143452), (7, 31510544), (8, 27571726), (13, 16967216), (14, 15755272), (16, 13785863), (26, 8483608), (28, 7877636), (52, 4241804), (56, 3938818), (91, 2423888), (104, 2120902), (112, 1969409), (182, 1211944), (197, 1119664), (208, 1060451), (364, 605972), (394, 559832), (728, 302986), (769, 286832), (788, 279916), (1379, 159952), (1456, 151493), (1538, 143416), (1576, 139958), (2561, 86128), (2758, 79976), (3076, 71708), (3152, 69979), (5122, 43064), (5383, 40976), (5516, 39988), (6152, 35854), (9997, 22064), (10244, 21532), (10766, 20488), (11032, 19994), (12304, 17927)]