208489280

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:736

約数の個数: 112

約数和(自身を含む): 533278080

約数和(自身を除く): 324788800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 64, 76, 80, 95, 106, 152, 160, 190, 212, 265, 304, 320, 380, 424, 530, 608, 647, 760, 848, 1007, 1060, 1216, 1294, 1520, 1696, 2014, 2120, 2588, 3040, 3235, 3392, 4028, 4240, 5035, 5176, 6080, 6470, 8056, 8480, 10070, 10352, 12293, 12940, 16112, 16960, 20140, 20704, 24586, 25880, 32224, 34291, 40280, 41408, 49172, 51760, 61465, 64448, 68582, 80560, 98344, 103520, 122930, 137164, 161120, 171455, 196688, 207040, 245860, 274328, 322240, 342910, 393376, 491720, 548656, 651529, 685820, 786752, 983440, 1097312, 1303058, 1371640, 1966880, 2194624, 2606116, 2743280, 3257645, 3933760, 5212232, 5486560, 6515290, 10424464, 10973120, 13030580, 20848928, 26061160, 41697856, 52122320, 104244640, 208489280]

約数ペア:

[(1, 208489280), (2, 104244640), (4, 52122320), (5, 41697856), (8, 26061160), (10, 20848928), (16, 13030580), (19, 10973120), (20, 10424464), (32, 6515290), (38, 5486560), (40, 5212232), (53, 3933760), (64, 3257645), (76, 2743280), (80, 2606116), (95, 2194624), (106, 1966880), (152, 1371640), (160, 1303058), (190, 1097312), (212, 983440), (265, 786752), (304, 685820), (320, 651529), (380, 548656), (424, 491720), (530, 393376), (608, 342910), (647, 322240), (760, 274328), (848, 245860), (1007, 207040), (1060, 196688), (1216, 171455), (1294, 161120), (1520, 137164), (1696, 122930), (2014, 103520), (2120, 98344), (2588, 80560), (3040, 68582), (3235, 64448), (3392, 61465), (4028, 51760), (4240, 49172), (5035, 41408), (5176, 40280), (6080, 34291), (6470, 32224), (8056, 25880), (8480, 24586), (10070, 20704), (10352, 20140), (12293, 16960), (12940, 16112)]