228439280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1097}}^1$

素因数の和:1266

約数の個数: 80

約数和(自身を含む): 563669280

約数和(自身を除く): 335230000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 137, 152, 190, 274, 304, 380, 548, 685, 760, 1096, 1097, 1370, 1520, 2192, 2194, 2603, 2740, 4388, 5206, 5480, 5485, 8776, 10412, 10960, 10970, 13015, 17552, 20824, 20843, 21940, 26030, 41648, 41686, 43880, 52060, 83372, 87760, 104120, 104215, 150289, 166744, 208240, 208430, 300578, 333488, 416860, 601156, 751445, 833720, 1202312, 1502890, 1667440, 2404624, 2855491, 3005780, 5710982, 6011560, 11421964, 12023120, 14277455, 22843928, 28554910, 45687856, 57109820, 114219640, 228439280]

約数ペア:

[(1, 228439280), (2, 114219640), (4, 57109820), (5, 45687856), (8, 28554910), (10, 22843928), (16, 14277455), (19, 12023120), (20, 11421964), (38, 6011560), (40, 5710982), (76, 3005780), (80, 2855491), (95, 2404624), (137, 1667440), (152, 1502890), (190, 1202312), (274, 833720), (304, 751445), (380, 601156), (548, 416860), (685, 333488), (760, 300578), (1096, 208430), (1097, 208240), (1370, 166744), (1520, 150289), (2192, 104215), (2194, 104120), (2603, 87760), (2740, 83372), (4388, 52060), (5206, 43880), (5480, 41686), (5485, 41648), (8776, 26030), (10412, 21940), (10960, 20843), (10970, 20824), (13015, 17552)]